OpenTechnical

OT-2026-000015776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000015776) never changes.

Identity and time

Publication numberOT-2026-000015776 · never reused
Internal UUID01a0ae6e-0c4c-7037-a5f7-b5923e2202c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015776
StatusPUBLIC

Content hashes

Canonical text6055f656b7428634121960903f12308356607704a2a1aa020c69d85ec6d37385
Markdownce75d4f7097f23669f8089b4133f2026c0596422d6e15ac5b2039a37d9ac5161
PDF
Publication page7258e243ff429d5cb9a3aa70b624f03eba2662d1da6adfa9615aa762c538a312
Manifest116fece2c2e246b783a3a9b8f4b6c1d503472f853c88927830a7be1443a3a2d3

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
SignatureKquRSXWytIHnvrtSuGAMvoy4suqc7nKsw0xYwAZJQbquMmJ/pqMWI1m+2XgEBLm1/COwWixPcLlaer59xDhiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:04.593233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015776
observed 7258e243ff429d5cb9a3aa70b624f03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.575878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015776/manifest.json
observed 116fece2c2e246b783a3a9b8f4b6c1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.557344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015776/publication.md
observed ce75d4f7097f23669f8089b4133f2026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:04.538526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015776/publication.txt
observed 6055f656b7428634121960903f123083...
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.