OpenTechnical

OT-2026-000065450

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000065450) never changes.

Identity and time

Publication numberOT-2026-000065450 · never reused
Internal UUID01a0ae8e-46f9-7687-8659-fb64b36cf844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065450
StatusPUBLIC

Content hashes

Canonical textf729133ed72dec411efb89b67fa432c04cb676e128b56e87c911a9817ca7e8a2
Markdown23bbbcc7696192bd72840b5372e2e96a46698e7d14140bf55b1a967a2993ec8e
PDF
Publication page1494f3a824aebb5fb33328f4d5a006d6b8eb97a2e68a01a28ba27253d01073a6
Manifest819f55909db841874ad7897f72e38281525a25500eeb555001bead23eb42edc9

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
SignatureRoCjV2XWOnkldFala/L8L02E4fEevm/acDpPNykejpMJ15e1C/6n6tkUIt31mxQlKqTn/EqlB9ZTyqb5V/4FAQ==
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

2026-09-17T10:33:42.834111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065450
observed 1494f3a824aebb5fb33328f4d5a006d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.818065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065450/manifest.json
observed 819f55909db841874ad7897f72e38281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.800166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065450/publication.md
observed 23bbbcc7696192bd72840b5372e2e96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:42.779630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065450/publication.txt
observed f729133ed72dec411efb89b67fa432c0...
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.