OpenTechnical

OT-2026-000014952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000014952) never changes.

Identity and time

Publication numberOT-2026-000014952 · never reused
Internal UUID01a0ae6d-d095-79fc-9826-9789a3941a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014952
StatusPUBLIC

Content hashes

Canonical text0e26f399408da8ba3bd70d39e018703464e35d7db1453a9eab4024b26781f96f
Markdowne285cd4d401345647718c0b56d66bc022efc0ad26f70a0756c733d33c67b35e5
PDF
Publication page0237540cb711f6a5a572e4ac7fe241a7ea346e7f79be903a9c7bafbd01f31e36
Manifest21bf9b49453dad431dd74524f4c7e2e8ea5098892d36b47fceb7610c5d3c48fe

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
Signaturew/KeFlSmvXZdqFgfl2eyItsxTRIVv+jVrAX9xID6PZHpyDpT52DU2wGyNw2jeHzoxCdLTllh/JgNgIOjQDfQCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-29T04:23:34.375058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952
observed 0237540cb711f6a5a572e4ac7fe241a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-29T04:23:34.352571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/manifest.json
observed 21bf9b49453dad431dd74524f4c7e2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-29T04:23:34.337261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/publication.md
observed e285cd4d401345647718c0b56d66bc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-29T04:23:34.312616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/publication.txt
observed 0e26f399408da8ba3bd70d39e0187034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.176982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952
observed 0237540cb711f6a5a572e4ac7fe241a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.158063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/manifest.json
observed 21bf9b49453dad431dd74524f4c7e2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.138511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/publication.md
observed e285cd4d401345647718c0b56d66bc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.118507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014952/publication.txt
observed 0e26f399408da8ba3bd70d39e0187034...
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