OpenTechnical

OT-2026-000089756

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089756) never changes.

Identity and time

Publication numberOT-2026-000089756 · never reused
Internal UUID01a0ae9c-1a22-7b64-ae7a-6f35626da37b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089756
StatusPUBLIC

Content hashes

Canonical text048c2b5856ceac07013c4d47ff6cc587040f715322e9d4497e965b09ad30aae9
Markdownd9cc507f7283e3355a27cd480f969a70e00f93cacb59ebfcf2701314c5c05545
PDF
Publication pagef2f5af40e05450128bc33db500b3195e865abf0449f85a83b2d3adada66a2508
Manifest34b5a34143cf962941303d8ccba0ec63f75e9759c4bd2cb8437f5ed982cfd0f9

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
Signaturei6v2/XJWEfP0y2Mg/OdRXcThkcGuv9W/7tD4TD0IrTUJUY5HMoXjBrfxicMkSUT2bmeCXHA+ARTGafHGOrOtCw==
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

2026-09-17T09:46:50.474348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089756
observed f2f5af40e05450128bc33db500b3195e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.457188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089756/manifest.json
observed 34b5a34143cf962941303d8ccba0ec63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.440281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089756/publication.md
observed d9cc507f7283e3355a27cd480f969a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.423011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089756/publication.txt
observed 048c2b5856ceac07013c4d47ff6cc587...
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.