OpenTechnical

OT-2026-000100520

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100520) never changes.

Identity and time

Publication numberOT-2026-000100520 · never reused
Internal UUID01a0aea3-66f0-7ae4-a830-798359aacc08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100520
StatusPUBLIC

Content hashes

Canonical texta30dc6a60b46422e7c6d5a5dfd9dfcb6d709528c42a80ec3ada939ad1bb5f5ad
Markdownf3611e4a0bed75236151f54929002b6691955f2a53bf53d82fd9f12e6045762d
PDF
Publication page87527cb0a5ca7b49fa1bba3adb8d12a62c65abbf3a317f3401426e7c05d3bef3
Manifest1d83f4a04d29fffa7ced326ce352968fffaa15a7cc73ec91e1cc5c980bacd63b

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
SignatureBNkAL6gvqO7+ljSC1q/C/XxunWhdJzRAbqf2R65NbyOy82EHNdGN8ydjMr0uVnfQKdLt+IVdh/txLTuwKWt1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:17.262294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100520
observed 87527cb0a5ca7b49fa1bba3adb8d12a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.245624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100520/manifest.json
observed 1d83f4a04d29fffa7ced326ce352968f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.226783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100520/publication.md
observed f3611e4a0bed75236151f54929002b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:17.210225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100520/publication.txt
observed a30dc6a60b46422e7c6d5a5dfd9dfcb6...
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.