OpenTechnical

OT-2026-000076755

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000076755) never changes.

Identity and time

Publication numberOT-2026-000076755 · never reused
Internal UUID01a0ae94-b06f-7cdd-921e-78a2b3341f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076755
StatusPUBLIC

Content hashes

Canonical text0f3ff09d0aa996a502cd6afdb92a35242a10d553e48a7fd4b21db4b0be9518f8
Markdownb2f78819883983a4c362112a429eda3474dccce5b733addc772ea431158574ea
PDF
Publication pageee02452d7ae6a97223b2bb3f84a9849ad2d915e1cbd0c2240aa149c6b084cc85
Manifest6e7463e27f5ebbd65ba7c622bd1ff4102b82b14e70792a9ce37f50fe464eb7d5

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
SignatureLK3EiLpWoT2HAfBFClGeMuIzrVRUrED7Q5/F503XeGrthT38CCnMnwJtMVFzQXc931c+oqQhBnu6+Y2JvlmPAA==
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

2026-09-17T10:09:36.592762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076755
observed ee02452d7ae6a97223b2bb3f84a9849a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.573765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076755/manifest.json
observed 6e7463e27f5ebbd65ba7c622bd1ff410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.553780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076755/publication.md
observed b2f78819883983a4c362112a429eda34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.537016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076755/publication.txt
observed 0f3ff09d0aa996a502cd6afdb92a3524...
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.