OpenTechnical

OT-2026-000079351

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000079351) never changes.

Identity and time

Publication numberOT-2026-000079351 · never reused
Internal UUID01a0ae96-0b90-72bc-9789-6957ed5c8536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079351
StatusPUBLIC

Content hashes

Canonical textb6a872464ff22752d9257140d271cffdb22a95b5701cfce64aa536214e8d73ec
Markdown610e21f618ce2b2fae5acd56c8c284e08fb900b82f7108d5ac14cbecf0a19bea
PDF
Publication pageb481e54bc0c19ca227dd12db7fcf188b2b81938aba848166964094d786f65c22
Manifest94a7bd2749b6d502ea458e4ebd3125615f02c0b833e8307d5559aaa52cfd9a3d

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
SignaturedeOJZT8NwQ5K5ilw4Wp7qLzffXxsAf2RCpbdsWX53R0gxcGaZuoHtGvHfalAMwfV+QWZcfRaD6ElkKQpRG+FAg==
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

2026-09-17T10:04:42.615627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079351
observed b481e54bc0c19ca227dd12db7fcf188b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.598522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079351/manifest.json
observed 94a7bd2749b6d502ea458e4ebd312561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.581309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079351/publication.md
observed 610e21f618ce2b2fae5acd56c8c284e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.562205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079351/publication.txt
observed b6a872464ff22752d9257140d271cffd...
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.