OpenTechnical

OT-2026-000061931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000061931) never changes.

Identity and time

Publication numberOT-2026-000061931 · never reused
Internal UUID01a0ae8b-b8ad-7d49-a08f-86532e64befc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061931
StatusPUBLIC

Content hashes

Canonical text53afc82edc3ea4453fb86eca9b8cffcb1fe700f4e3366aa24d52751a383af165
Markdown596132097b34a3896313e621021b7ccc3f7eded0a7ac9c632c58f06bfc541ae0
PDF
Publication pagea39e4af0fa5a4c59ae8756b430b8f356f9f359109c71eef6fd2e9ecd54dbf797
Manifestd2211826dc3fa04c29b834b28f62f671b2bcaf2bb075d08e2f34bc0f37da3a47

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
SignatureE5KgXltG9OQbXAgHiEkOSIemOI60SCb5FjF8wSUXJY+EKvurBFghpxQD7WCX7BdbFJMfDJTJXyWg90+A2kOLDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:49.232390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061931
observed a39e4af0fa5a4c59ae8756b430b8f356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.210806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061931/manifest.json
observed d2211826dc3fa04c29b834b28f62f671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.191133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061931/publication.md
observed 596132097b34a3896313e621021b7ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.168064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061931/publication.txt
observed 53afc82edc3ea4453fb86eca9b8cffcb...
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.