OpenTechnical

OT-2026-000104523

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, vented 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-2026-000104523) never changes.

Identity and time

Publication numberOT-2026-000104523 · never reused
Internal UUID01a0aea7-239f-75c6-ae80-ac3c2a27e085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104523
StatusPUBLIC

Content hashes

Canonical textd0718415b17da1784389d0cb32a739c134347bf8a1e2ffdb199c33d91da46eb3
Markdown17b480f82df58a7c1d18f07171083062685406d1e404a323b65d08dcb2188e42
PDF
Publication page95afcd3918fa76786314fc59dce08bbfd856fabaee8365030ea4983cfd27b904
Manifest4984f9a39663e3bdf369f4e00361fa87e2394a139be9818bacaea739c4246905

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
SignatureW0ffaj9QvC9fAx3PEP2Grmolna6csTJLzx4SLvp7lYGdvB0WEdqe6i/ZOkO/SoTReHV/yS0goNmFcePRY+MmBA==
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

2026-09-17T09:20:02.372702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104523
observed 95afcd3918fa76786314fc59dce08bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.356978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104523/manifest.json
observed 4984f9a39663e3bdf369f4e00361fa87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.340343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104523/publication.md
observed 17b480f82df58a7c1d18f07171083062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:02.323289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104523/publication.txt
observed d0718415b17da1784389d0cb32a739c1...
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.