OpenTechnical

OT-2026-000102169

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102169) never changes.

Identity and time

Publication numberOT-2026-000102169 · never reused
Internal UUID01a0aea4-50f3-7595-b13b-ab60bc5bf2a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102169
StatusPUBLIC

Content hashes

Canonical text39e04bdcce156f572b5cd69a1ebbd5e69b3bff35cf91d22dc0aa665379f7e13c
Markdown6198172bd9c48ef488443977e69d12182324494a5b12527bc65768d426fd0540
PDF
Publication paged087e61d2710dbb131e6ee110b3134b4d0570dcb006ac34838c20fc1b7777219
Manifest1573b006bddd68c86de925d8fc90a27ae0d17be4968d92d87b7dfcf865fedeb5

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
SignatureL/MbT1JI8lPaR1y14eYqumnquB6B5ek8mnOPB0eTqJxEmTnv5DZPrTrw2YFg7MAts2H8RAgpHPEw+un/J5RVCg==
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

2026-09-17T09:25:20.411842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102169
observed d087e61d2710dbb131e6ee110b3134b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.394514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102169/manifest.json
observed 1573b006bddd68c86de925d8fc90a27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.375460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102169/publication.md
observed 6198172bd9c48ef488443977e69d1218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.355918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102169/publication.txt
observed 39e04bdcce156f572b5cd69a1ebbd5e6...
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.