OpenTechnical

OT-2026-000088197

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line 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-2026-000088197) never changes.

Identity and time

Publication numberOT-2026-000088197 · never reused
Internal UUID01a0ae9b-1aa8-797a-be49-2208f8be0821 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088197
StatusPUBLIC

Content hashes

Canonical textee7c3432d2d8bf3e352abb527571ecd79825304ad2aedf4b3cf0368dd62e058b
Markdown10d13680f5c534fc134b2c3501ea89cfdc9bda80451fbb387969207b79af91d5
PDF
Publication pagedb7125036a686766af9037f72d62dc1bfede384325f5a5c0a9f21a8e47443621
Manifesteb1c2e626982d7bdd44a010e79305439e5f8e79c647fddd4d5b057666ac378e0

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
SignatureVqmOsEsXgbWXddPWixjj2bFop6jjULmqy62II0RCzT1zu9kMgR31ey75h1Jy+herrcB/XxOxs0aJ/0ysZYdwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:16.323075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197
observed db7125036a686766af9037f72d62dc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.302551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/manifest.json
observed eb1c2e626982d7bdd44a010e79305439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.280704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/publication.md
observed 10d13680f5c534fc134b2c3501ea89cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.258435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/publication.txt
observed ee7c3432d2d8bf3e352abb527571ecd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.757721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197
observed db7125036a686766af9037f72d62dc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.739586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/manifest.json
observed eb1c2e626982d7bdd44a010e79305439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.721439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/publication.md
observed 10d13680f5c534fc134b2c3501ea89cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.704675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088197/publication.txt
observed ee7c3432d2d8bf3e352abb527571ecd7...
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.