OpenTechnical

OT-2026-000033745

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000033745) never changes.

Identity and time

Publication numberOT-2026-000033745 · never reused
Internal UUID01a0ae75-a390-7b57-93a6-eb5818c77bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033745
StatusPUBLIC

Content hashes

Canonical textf3ea0210dd7f55460899982a1a1c6e9a071f23a67090942ee722876b98fe5d39
Markdown52249222ff67ce8a6ad3cc32828870098b5d0f64e9da5f7d54c8ce1923c182e8
PDF
Publication pageefdef5943fd52fd2148ca3b5ab2908774cdb7a638eb7ed3e2f05dd30d10f68d5
Manifest240077a55c4e0abe9cff166782d34aaccfb457b2bd6396e49106d1fc52c1345c

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
SignatureSXJwQueD0cQslA23muVf6r1PtdOFL4iyRws0TYSBoeurShIfb8T6m/VDDLdGfzPFgFrnv7DUbOSKNQb4yygDBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:45.312499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033745
observed efdef5943fd52fd2148ca3b5ab290877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.294761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033745/manifest.json
observed 240077a55c4e0abe9cff166782d34aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.277437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033745/publication.md
observed 52249222ff67ce8a6ad3cc3282887009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.257687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033745/publication.txt
observed f3ea0210dd7f55460899982a1a1c6e9a...
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.