OpenTechnical

OT-2026-000037880

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000037880) never changes.

Identity and time

Publication numberOT-2026-000037880 · never reused
Internal UUID01a0ae77-f889-7e55-a0e4-420f5b8f00f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037880
StatusPUBLIC

Content hashes

Canonical text4e9f10c69ed816e43a254f4f7b015fd6617c4333fa24ba4cb65092dc61e63466
Markdowna2c6a9fb09227e481a7bd56fc5168da7eac73f716ebbe9cf34965522aff179c7
PDF
Publication pagee03f9ad9b716f2dc63dbf3cde9372caa022763e64d7dac572abcfdcdfb94b109
Manifest3d55d42143b0d372075310e21b7809f4354c3f72885189f472c7331e53c8c6c9

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
SignatureKnA3a6GWxGcCncnBNFtzf5lrAWDMQeeN+hii06Sivg0mloDJOKb2bmAUhSIueg2zb4V77+/3vVe31lQLGX/PAw==
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

2026-09-17T11:23:08.607329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037880
observed e03f9ad9b716f2dc63dbf3cde9372caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.590503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037880/manifest.json
observed 3d55d42143b0d372075310e21b7809f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.574898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037880/publication.md
observed a2c6a9fb09227e481a7bd56fc5168da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.557509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037880/publication.txt
observed 4e9f10c69ed816e43a254f4f7b015fd6...
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.