OpenTechnical

OT-2026-000071296

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071296) never changes.

Identity and time

Publication numberOT-2026-000071296 · never reused
Internal UUID01a0ae91-e0ec-7c6e-8c45-32495eaa4e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071296
StatusPUBLIC

Content hashes

Canonical text2cc6fe1b5ba6dd4572fa87dae6995c6587f9acd671673533847ddf4c90255c53
Markdown28ab7892b8cd82dac416807e4fdbcc0e0de70601aa77d368ff78c65627303981
PDF
Publication page476b45bfb21b250a6124e0b50d9f6cfbefdf44eba0de7c57823abf953aaf79b5
Manifest8066e2f36bb91923414170b058592c810487f9d27ff57afc35e1680e51909bc3

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
Signature1BRABHcTIm1oq548LUpoa2Nrqb2G1EVz2b6mAopudoM5CKtNnwwHAsH7oS3QWJksyXET6RB2DMsHf576XNGeCA==
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

2026-09-17T10:24:52.759063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071296
observed 476b45bfb21b250a6124e0b50d9f6cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:52.739428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071296/manifest.json
observed 8066e2f36bb91923414170b058592c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:52.718556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071296/publication.md
observed 28ab7892b8cd82dac416807e4fdbcc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:52.692317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071296/publication.txt
observed 2cc6fe1b5ba6dd4572fa87dae6995c65...
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.