OpenTechnical

OT-2026-000079369

Publication integrity record

Two 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-2026-000079369) never changes.

Identity and time

Publication numberOT-2026-000079369 · never reused
Internal UUID01a0ae96-0b90-7861-9c52-49d7b7cb3f4f · 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-2026-000079369
StatusPUBLIC

Content hashes

Canonical textf08f304518aa59f6adc1981631d086f7df7f3fbd64af98107022cde8124de236
Markdown807d3447ae173086d12b02234dec79c960b35f403a0a66f8132d662712ec1453
PDF
Publication page9b84e61068c68fa946d68d9ffcf20ae6ad9f1db5acc45f1af3c1ae52d10009ec
Manifestfd789d0e0eeceb207a6783cbaf8aa6e47bd6d677f5a1bc1a24fc7f9b7f74de46

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
Signature12xIG0+t6mxHCiQKMtJ8Bzw5LQBQNlbSlnwIKdVe3QUCl148i5aoIMWm67kOz5kvwN2Z5kIOi+wF+QsC9CieBw==
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

2026-09-17T10:04:42.937197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079369
observed 9b84e61068c68fa946d68d9ffcf20ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.920699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079369/manifest.json
observed fd789d0e0eeceb207a6783cbaf8aa6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.903617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079369/publication.md
observed 807d3447ae173086d12b02234dec79c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.886188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079369/publication.txt
observed f08f304518aa59f6adc1981631d086f7...
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.