OpenTechnical

OT-2026-000009319

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000009319) never changes.

Identity and time

Publication numberOT-2026-000009319 · never reused
Internal UUID01a0ae6b-7561-7fd4-8507-dddc2d879de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009319
StatusPUBLIC

Content hashes

Canonical text575d17823e7f6fa1e74d8a94e3c66bdde14ae08eb40bb8fb7130d336ab844c7b
Markdown655b3ce6c0eb77ce8ab93dccc81ebdf0821dae8a1d383834a4619867e92d28d8
PDF
Publication pagec02028347dd4659f79c1b31d25112f03908e75608df0c56922bdee6f5b338089
Manifest05cd5bd65e98ad2529ea5fe7c814ff9ff10391699d825d36a8288525a5d814e4

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
SignaturemkHp7EM/aBZD/cqjnxq6kadoS+PggHtzpgcSIit+Xys2IrygeXEZTOk1aGDf7HOOG+v03bAV7Ac/MPPc11OqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:34.277838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009319
observed c02028347dd4659f79c1b31d25112f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.259206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009319/manifest.json
observed 05cd5bd65e98ad2529ea5fe7c814ff9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.238907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009319/publication.md
observed 655b3ce6c0eb77ce8ab93dccc81ebdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:34.216489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009319/publication.txt
observed 575d17823e7f6fa1e74d8a94e3c66bdd...
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.