OpenTechnical

OT-2026-000031307

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000031307) never changes.

Identity and time

Publication numberOT-2026-000031307 · never reused
Internal UUID01a0ae74-87ac-7d67-8884-c5f1d1b2d281 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031307
StatusPUBLIC

Content hashes

Canonical text906db2130d6633604d73f3e2ee541c3f2654d21daa3ef7cb89b75b350058b2e7
Markdowna1bbe76ca8ced54a3fbb0d0dfc952ee7488ee3cfedd35617ffb3663de22619b0
PDF
Publication page37947f6cc4e418a894aba93961ff284385bbcc453ad1dfb32a48476e0aebc28b
Manifestbd6a788df811551d4f8e510c4fe2ad28d371e15cf3707a817c15331422049228

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
SignatureFce0gt6bD0BYkrJToCHhLkF20A+lsSshoG/WkQSPpQoDNp+33R1nolIdvICOLkcopM04ML+0yxYixoJnCHIaDg==
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

2026-09-17T11:35:53.845334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031307
observed 37947f6cc4e418a894aba93961ff2843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.828340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031307/manifest.json
observed bd6a788df811551d4f8e510c4fe2ad28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.811611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031307/publication.md
observed a1bbe76ca8ced54a3fbb0d0dfc952ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.793443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031307/publication.txt
observed 906db2130d6633604d73f3e2ee541c3f...
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.