OpenTechnical

OT-2026-000102925

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000102925) never changes.

Identity and time

Publication numberOT-2026-000102925 · never reused
Internal UUID01a0aea4-be3c-7a85-a9ca-2cf7d14884a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102925
StatusPUBLIC

Content hashes

Canonical text758d8338f5e115a7fd383fabb3d06cfe374afb0454b7939f895f4270e42626f1
Markdown5a7c4350e4365cd16e48ef94ee63e0ad00528a67d0e433c79ac597d8c95ffcbb
PDF
Publication page92e4adc318b7350f4c427010d724373b50169ea6ad4556e6a59c98ed3a45b4b8
Manifestfac9e7acd594485d9a6a57c4357b8b30371577a2069fd476b77b05c315adee1c

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
Signaturext2CEwulziTrZ4c0IcyvnRGJY6hHAHvqKfgtGAr3gatWQOFDYCm4e0glJz53OyHNkaYmXqxFBa8v+ESaLSQWDw==
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

2026-09-17T09:23:01.517681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102925
observed 92e4adc318b7350f4c427010d724373b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.498194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102925/manifest.json
observed fac9e7acd594485d9a6a57c4357b8b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.478421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102925/publication.md
observed 5a7c4350e4365cd16e48ef94ee63e0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.458110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102925/publication.txt
observed 758d8338f5e115a7fd383fabb3d06cfe...
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.