OpenTechnical

OT-2026-000099691

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000099691) never changes.

Identity and time

Publication numberOT-2026-000099691 · never reused
Internal UUID01a0aea2-c976-76d8-8e63-180c48c0f27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099691
StatusPUBLIC

Content hashes

Canonical textf0250afe02ebfda909835deb512e490e1830c88b0e855a2ef143c8a6f65376e5
Markdown412a140bc0985176125702ddcc2abba299aebc737f15cb361c7495d8ca6defd0
PDF
Publication page8018dc665a48140a87d2b5523439b272a93818f629661d2add747cc3b1a538e4
Manifest0de2a6bc0c189e7b86d18c7734bdf0494a0a591537114710e532887744a0a907

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
SignaturezqMJv9IvnzGrgo/3nAbq2umvrSObV7Pib4unQmySynqyF5nzCSm8KSUQhS2wvNLcV2KSwmosSSTz/1J37v4SAA==
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

2026-09-17T09:29:42.027306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099691
observed 8018dc665a48140a87d2b5523439b272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.010511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099691/manifest.json
observed 0de2a6bc0c189e7b86d18c7734bdf049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.991444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099691/publication.md
observed 412a140bc0985176125702ddcc2abba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.972960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099691/publication.txt
observed f0250afe02ebfda909835deb512e490e...
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.