OpenTechnical

OT-2026-000011924

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000011924) never changes.

Identity and time

Publication numberOT-2026-000011924 · never reused
Internal UUID01a0ae6d-1942-7aa3-8b6c-beafd0ab04fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011924
StatusPUBLIC

Content hashes

Canonical textebe2a3b3ff9b345a44c5a84eb29828af7373b95e3ec7ee47da4b80b9e4f2659a
Markdowna57c4314abc2d6bab41e827abc8006e0487cfed2f4868ded1f01f99a24b748f8
PDF
Publication page745fbdebc17556433cb7c3cdf12ef7b757ffc44a248b0b77c72616f46f301d35
Manifest8780bdf42f9972b1a508d21989eaa0f3e5f301083bcd1e452d4f4d1e6aa8b54c

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
SignaturerAY0vEq/F2TNV6/nvukN+0iXjQUS6Y4yqOE/k0IOtw8Fb92gtKDdY0Xu1AmnxoqMiStvc2C0nFKJeX8H2Tr9Dw==
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

2026-09-17T12:12:41.502242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011924
observed 745fbdebc17556433cb7c3cdf12ef7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.481852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011924/manifest.json
observed 8780bdf42f9972b1a508d21989eaa0f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.461285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011924/publication.md
observed a57c4314abc2d6bab41e827abc8006e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.442217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011924/publication.txt
observed ebe2a3b3ff9b345a44c5a84eb29828af...
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.