OpenTechnical

OT-2026-000026097

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000026097) never changes.

Identity and time

Publication numberOT-2026-000026097 · never reused
Internal UUID01a0ae71-a840-7c85-a900-c4f2c75d5330 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026097
StatusPUBLIC

Content hashes

Canonical texta222f30ca2226954209f93eb7f569cdfa8823b7e079af7789f30d1d0f33c2b92
Markdown17f7435d8bd0846c74ef600dbf4a59dca4b00bc22982219f6bef6ca830bbceaf
PDF
Publication page9d8ccb242722822f34debd291e131f48e7371f7138c4892473d3e0ac49f31218
Manifest7641e5461633f0c4d1c54a0207ac6e92fa844fe49c18670771ff0a278adf1de0

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
SignatureqjXzES2U0Ck5d1DCLSHS6CDYelW/F+6czjrLHINbfpqXhReUN6NLQaA3N14KGzLvW4Ynabr/VooYJTMQff+MCw==
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

2026-09-17T08:44:41.501039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026097
observed 9d8ccb242722822f34debd291e131f48...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:41.255805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026097/manifest.json
observed 7641e5461633f0c4d1c54a0207ac6e92...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:41.021343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026097/publication.md
observed 17f7435d8bd0846c74ef600dbf4a59dc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:40.774820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026097/publication.txt
observed a222f30ca2226954209f93eb7f569cdf...
fetched by grabo-systems from 34.44.131.203, 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.