OpenTechnical

OT-2026-000032211

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000032211) never changes.

Identity and time

Publication numberOT-2026-000032211 · never reused
Internal UUID01a0ae74-f7a7-7f51-83b7-3e88b59a8f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032211
StatusPUBLIC

Content hashes

Canonical text60c061257304676ee6389e31c2b980f247ae84278093f36c7ecee3cc85d79aa5
Markdowna39af038dfb8739719829f74914d97d7f6e68cc283ccdc3df9b6733e77b99fa4
PDF
Publication pageb9c13b86cd77b7906f104c7d89b56316ddfc6d5ac94f3b769d6e979e0c37e48c
Manifest09d1fcf4789fcf677b5240cd925b529c75d14c3edf7c9255c231c3aa6dab76a8

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
SignatureM7triPa65Zn0G24pSJK/YQhbWiHnv9xRhFmi/mqJ/qrwR9E4l3AnlYLsLfBjcaMoBEyWRObScU3+cMC2whbwDA==
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

2026-09-17T11:34:33.534959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032211
observed b9c13b86cd77b7906f104c7d89b56316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.517502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032211/manifest.json
observed 09d1fcf4789fcf677b5240cd925b529c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.499525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032211/publication.md
observed a39af038dfb8739719829f74914d97d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.481161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032211/publication.txt
observed 60c061257304676ee6389e31c2b980f2...
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.