OpenTechnical

OT-2026-000100349

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000100349) never changes.

Identity and time

Publication numberOT-2026-000100349 · never reused
Internal UUID01a0aea3-3054-7e37-9d06-a71b4dbe9eb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100349
StatusPUBLIC

Content hashes

Canonical textfb063e7512a3219b7e7357cd87b838746240b5996096cf9f6409ce84053576d4
Markdownac3d6c79e34b8290b5233a08b9629713ad7019e44646e3f3565586c0df40d7bd
PDF
Publication page6b089c28c2e240f00ac1907837f71d5736ef809ecde434f277e36195e9cb4e5c
Manifest79a6e45399beb211a2f087fcf06f045a019c5b167684add7001a3a1f2db533b7

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
SignatureAXB7NuMN+QK3TtZbshWep7YbheW0kFCpbilLx/8ZpFTzCadNrxXNRFE7ofaeLcaBK0KgkeASJRSmUPc2GtX4Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:17.877667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349
observed 6b089c28c2e240f00ac1907837f71d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.851650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/manifest.json
observed 79a6e45399beb211a2f087fcf06f045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.833760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/publication.md
observed ac3d6c79e34b8290b5233a08b9629713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.813896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/publication.txt
observed fb063e7512a3219b7e7357cd87b83874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.231832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349
observed 6b089c28c2e240f00ac1907837f71d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.213410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/manifest.json
observed 79a6e45399beb211a2f087fcf06f045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.195649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/publication.md
observed ac3d6c79e34b8290b5233a08b9629713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.178031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100349/publication.txt
observed fb063e7512a3219b7e7357cd87b83874...
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

Custody packagePending Custody packages are produced weekly.