OpenTechnical

OT-2026-000005931

Publication integrity record

Porous face vacuum gripper, four outlet manifold, ejector fed, sustained blow off after set down

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-2026-000005931) never changes.

Identity and time

Publication numberOT-2026-000005931 · never reused
Internal UUID01a0a949-97cb-7f3f-b2f3-46cf200d60fd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:07.630435Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005931
StatusPUBLIC

Content hashes

Canonical text838735b7aed66b1ff55377744814db5ddd3baa4b688a58f045d5430b3fa1539f
Markdowna853f3af8a330839b0d8087479e8f436cbfc7b48f6ed6f778050b60de0fc68f0
PDF
Publication page1de83f9f2c4767047315de3de8d5318931ba59453d5cd85133ed7f5e0b19c014
Manifestcee5915e594226e8e0a32b4bbdf62c3341f6ed4d420bf55fd0e564f30c57ddd1

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
Signature6FPHMJnsXfM8Ejf5qpWLvwjK5+KOo8O9LFdo/36v6vyF3g8eDPTVuoMMt3NcVgHONFiatHd6y9s/XAo7mffHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:15.987796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005931
observed 1de83f9f2c4767047315de3de8d53189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.974959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005931/manifest.json
observed cee5915e594226e8e0a32b4bbdf62c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.960875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005931/publication.md
observed a853f3af8a330839b0d8087479e8f436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.946094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005931/publication.txt
observed 838735b7aed66b1ff55377744814db5d...
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.