OpenTechnical

OT-2026-000012951

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000012951) never changes.

Identity and time

Publication numberOT-2026-000012951 · never reused
Internal UUID01a0ae6d-5564-7e96-9450-527855a49027 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012951
StatusPUBLIC

Content hashes

Canonical text817a99f8cfaa1633ca199a4249d948ecede197f57fa6ce2d2ad0a4fd6117612c
Markdown20e8b6a40fddb1d09450464ca81f9a8c51e7e62f44524e2a0322bdd1ae8efcd9
PDF
Publication page6e6c62a48afcbddfa33bc561fdc5f17c037db65ae8a5c311a8c8e170e2759de6
Manifest7e53b660149f9a93ec63d6808378a98686cd67b3966b3d9bde1c598a4453f7e6

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
SignatureZh+R8g7dyjCadMmV/O2iHF+/Fnr+tK6gLjcQ0FZHua5kuFB4Nuaf9X7VlYJysCVGCAGQvaFktwNkMQO88FmdDw==
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

2026-09-17T12:10:45.489597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012951
observed 6e6c62a48afcbddfa33bc561fdc5f17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.470553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012951/manifest.json
observed 7e53b660149f9a93ec63d6808378a986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.449594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012951/publication.md
observed 20e8b6a40fddb1d09450464ca81f9a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.426895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012951/publication.txt
observed 817a99f8cfaa1633ca199a4249d948ec...
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.