OpenTechnical

OT-2026-000052984

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000052984) never changes.

Identity and time

Publication numberOT-2026-000052984 · never reused
Internal UUID01a0ae84-a430-7eb6-9884-826a6dee790c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052984
StatusPUBLIC

Content hashes

Canonical text35d7b43108ea19cde8a34dfb7661d5507de851e00f7f88b6c505ce5ba12df84e
Markdown3ed5bf2f37d03d9ee28b6784e31b233e6d75fae3582e376932ab49a433fff4e2
PDF
Publication page6b6147578bc5311b242cf64fa426a02a02aaa97ec8b888129fc14bb2d645f750
Manifest955044cf890d7ddd09905982b4b2b92c9fac01f78a8e20a7f07fe124bc481fe2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureR/xt5Z8PCmiVsERjc0JjIcUiMrF4/YfQgmjnfluaos1OqgKLurswBxZF6tum6KlCG1o3Bkp5Svhk6WN7zxQqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-20T04:23:14.649661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984
observed 6b6147578bc5311b242cf64fa426a02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-20T04:23:14.629755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/manifest.json
observed 955044cf890d7ddd09905982b4b2b92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-20T04:23:14.601028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/publication.md
observed 3ed5bf2f37d03d9ee28b6784e31b233e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-20T04:23:14.544004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/publication.txt
observed 35d7b43108ea19cde8a34dfb7661d550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:12.668944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984
observed 6b6147578bc5311b242cf64fa426a02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:12.652364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/manifest.json
observed 955044cf890d7ddd09905982b4b2b92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:12.612794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/publication.md
observed 3ed5bf2f37d03d9ee28b6784e31b233e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:12.519526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052984/publication.txt
observed 35d7b43108ea19cde8a34dfb7661d550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent