OpenTechnical

OT-2026-000062482

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000062482) never changes.

Identity and time

Publication numberOT-2026-000062482 · never reused
Internal UUID01a0ae8c-0ac0-7ef1-9f60-2395ea64d86a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062482
StatusPUBLIC

Content hashes

Canonical textef66f0358638e3d7886bcbac26e9eed27638427dee455795c1f7b216838d35e2
Markdown8f0f294ca88aeac5e16be7b275dceb697a231c80fba2769f19946df9952d750a
PDF
Publication page97a0a9908f8d2ab3dc9a6edb62ffb157c9262a4a2ed1da63b8edccb0f4999950
Manifest4ca81f53001cba71cc5be6b7ebce34a751096e3e42efbb9c2164ab9769706b2e

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
SignaturexvHlrAa33JnkG6CYahFo9ppEVj4c4FBsxnnOL7+BQsDJMSrPErIlewatvNm9gDO3iv4irgtBEA4NCOSARZ4FDQ==
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

2026-09-17T10:39:50.319792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062482
observed 97a0a9908f8d2ab3dc9a6edb62ffb157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.302419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062482/manifest.json
observed 4ca81f53001cba71cc5be6b7ebce34a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.283573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062482/publication.md
observed 8f0f294ca88aeac5e16be7b275dceb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:50.264408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062482/publication.txt
observed ef66f0358638e3d7886bcbac26e9eed2...
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.