OpenTechnical

OT-2026-000041671

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000041671) never changes.

Identity and time

Publication numberOT-2026-000041671 · never reused
Internal UUID01a0ae79-e8a0-7703-9822-6f0073797a11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041671
StatusPUBLIC

Content hashes

Canonical text7a42024081454cf1b330febc3b03b347febd6793cd8166a56fa86c25be982b12
Markdown73780ad6f834df360813fc4f2c2f82c31a717cbb6865ff16e75c2851dc30029f
PDF
Publication paged6fdbd59c552d38b9941d5640de1a93c4bbc931600e9903d3eacae6bda8b25b0
Manifest60404809cb672fbff8b4a9f7eca6081c765fcb63e4adcdcb1187d18753a48c60

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
SignaturegRqn1tkRkDWIopORgfmyNPW7Y/y/oQr9SlyT2bwy+Y3gbQE6BUAjHJQahXJ89o7/uLO5/siAicf5KfIPAZgCBg==
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

2026-09-17T11:16:28.619000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041671
observed d6fdbd59c552d38b9941d5640de1a93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.602485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041671/manifest.json
observed 60404809cb672fbff8b4a9f7eca6081c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.584356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041671/publication.md
observed 73780ad6f834df360813fc4f2c2f82c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.567240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041671/publication.txt
observed 7a42024081454cf1b330febc3b03b347...
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.