OpenTechnical

OT-2026-000080207

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000080207) never changes.

Identity and time

Publication numberOT-2026-000080207 · never reused
Internal UUID01a0ae96-7e76-71cd-83a9-b72e15996dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080207
StatusPUBLIC

Content hashes

Canonical textdb57da6a968334bd0f0f2656d49d68e4b70e80cf345540101c82cc4f9ee1618d
Markdown533b75257f5993e6d4ec276aeebee2ee4a13ed0d7b4fc4bbd08d474c0fb48aed
PDF
Publication pageb7ac0420aa29aeec03668b74e123dc15c6a6229800300cef67341692ad23c04d
Manifestd282d22a2d0d3ba7b5a603e74920119b69f30f3b54012c81164c6818d1b95f5c

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
SignaturehFenEytX0F/AaztLMMrN98jpC23pdUuH6DbrIPLO0o2sIo4giE7tvNUGkl9zDDGEurdaWwKR41AXjQXp76NoCw==
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

2026-09-17T10:02:39.309564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080207
observed b7ac0420aa29aeec03668b74e123dc15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.287615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080207/manifest.json
observed d282d22a2d0d3ba7b5a603e74920119b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.262060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080207/publication.md
observed 533b75257f5993e6d4ec276aeebee2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:39.240891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080207/publication.txt
observed db57da6a968334bd0f0f2656d49d68e4...
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.