OpenTechnical

OT-2026-000011308

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000011308) never changes.

Identity and time

Publication numberOT-2026-000011308 · never reused
Internal UUID01a0ae6c-5410-765c-8a14-33c3ee7d6c51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011308
StatusPUBLIC

Content hashes

Canonical textb38cea990177d79d9e31a562c46cd2debea6d80da2f94b4b25b4d827f771f3f0
Markdown97e59a252ee25b413174c417a6507d825668c732b170c844bfe60870a0d2ef85
PDF
Publication pageb84aa3b71b35b308b8ceb4d94b3540a34bc84ed28079c2733a586ff3655d642f
Manifest26e8853f694e8b2dd8d575956748cd6085e106b7cd4660df948a9b6256a38c6e

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
Signaturey6C6D2Tq8ac7UkVP0+cXzeOpKMyu6q6xrk6hNoKqa2CV6wPgBC9flzGQ84tCNfvQXObC2v3UFVbAeYBcKabbBA==
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

2026-09-17T12:14:17.272563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011308
observed b84aa3b71b35b308b8ceb4d94b3540a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.254606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011308/manifest.json
observed 26e8853f694e8b2dd8d575956748cd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.234245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011308/publication.md
observed 97e59a252ee25b413174c417a6507d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.215518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011308/publication.txt
observed b38cea990177d79d9e31a562c46cd2de...
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.