OpenTechnical

OT-2026-000030963

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000030963) never changes.

Identity and time

Publication numberOT-2026-000030963 · never reused
Internal UUID01a0ae74-3fb6-7afc-917d-3982fc7f3fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030963
StatusPUBLIC

Content hashes

Canonical text10961be0416716e5c4c66b0570c95cb682d8367648a364b37933b0435fb11b15
Markdownef7ffa985acf2ad663fc5cfa14e48a0849ba2ce18b05df42e0f3b94e2c6403ca
PDF
Publication pagef37e1bbfdce9b5ab31dcbc035bd001b4ea24ff434cf3c8baeb8b7d5476c15c65
Manifest7e098f13aff266cf6e3f8de3e8a77a5cb63aeaf2a7c696b0ce40b6a6a6e67547

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
SignaturesHtdvocT1RlqcPF7wKqmJy1vXGM4s/CvoNzgEyyhOcuM9/pXQiFF88F8j+Og6Cer5zEtsTaS4p+467157SSEDg==
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

2026-09-17T11:36:57.990344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030963
observed f37e1bbfdce9b5ab31dcbc035bd001b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.972901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030963/manifest.json
observed 7e098f13aff266cf6e3f8de3e8a77a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.955187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030963/publication.md
observed ef7ffa985acf2ad663fc5cfa14e48a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.936216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030963/publication.txt
observed 10961be0416716e5c4c66b0570c95cb6...
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.