OpenTechnical

OT-2026-000087987

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087987) never changes.

Identity and time

Publication numberOT-2026-000087987 · never reused
Internal UUID01a0ae9b-1aa6-7900-84d2-4100734fef7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087987
StatusPUBLIC

Content hashes

Canonical textd25ccc2019f369b5b7655d6e9b6a2c5d882b7ad95ddc34907ea2346bc5b0f140
Markdownbb14667445b29fd86730e1f61ca2fbc96817b78cb285fc411fa7852adfcb147a
PDF
Publication page5ac383f9b85d4f7d15f20afe187d41a414461317b877740c076588588f349b7a
Manifest97857c6dc774760f1ed0fb48419daaaed006c0afec12a6ce2191b487af16b95a

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
SignatureawtdC4a2xKDjqYBuBCOx9ODGGh1yRAz5dw6PMQrlOUiYViwG+a6dOE6zjDl5xbttlmo6ion1MEu+/1fToxmvDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:17.382525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087987
observed 5ac383f9b85d4f7d15f20afe187d41a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.363634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087987/manifest.json
observed 97857c6dc774760f1ed0fb48419daaae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.347601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087987/publication.md
observed bb14667445b29fd86730e1f61ca2fbc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.329030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087987/publication.txt
observed d25ccc2019f369b5b7655d6e9b6a2c5d...
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.