OpenTechnical

OT-2026-000076261

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000076261) never changes.

Identity and time

Publication numberOT-2026-000076261 · never reused
Internal UUID01a0ae94-6a6f-7087-a792-8620633883ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076261
StatusPUBLIC

Content hashes

Canonical text53586eedc835263e0a1fdff7b9c352b900a2aafed1f9f93bb8e7b063d0e58ccf
Markdownb0906edeb3e99d6a07171f17190ecb1e7e0d2f76cc1b9e07f03863ddcc002b74
PDF
Publication pageba30812d88f297db7cf2b0ee98b49f45e95b3b2c695c57cc2ec6561ee4eba725
Manifest69ae16a1d448e05809706cbc8d169f587b8d92f4f0f2c1808f986a7737b6a998

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
Signature77KsR0khTzrOMjNv+yHkTFoJYcwKVm7j+E1FknaN+qhHcPNas/NGKemTYXZr5RYDGl2uxXKuoDc8O3CCB3rJBQ==
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

2026-09-17T10:11:59.061872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076261
observed ba30812d88f297db7cf2b0ee98b49f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.041254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076261/manifest.json
observed 69ae16a1d448e05809706cbc8d169f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.019617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076261/publication.md
observed b0906edeb3e99d6a07171f17190ecb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:58.998486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076261/publication.txt
observed 53586eedc835263e0a1fdff7b9c352b9...
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.