OpenTechnical

OT-2026-000077633

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077633) never changes.

Identity and time

Publication numberOT-2026-000077633 · never reused
Internal UUID01a0ae95-2ecf-77f4-8f15-80dc07dbfba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077633
StatusPUBLIC

Content hashes

Canonical text34b4a53f816b9c4e3f0449517c8948fc3e68e25d434ea1afbe2072314595e925
Markdown2a6da21578c55b6bf843394b0eaac1e9209b63c5a552469489755aed37d49e50
PDF
Publication page8339df732da38b1cdd6803784f1a63bad1ba254af8e8120492745bc23cd35eac
Manifest5363d1bc45e353d6b4820f1a5d0e3610ea0c0dff92d1de7a046dc2f2e03c51ee

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
SignaturefY0I6Uk8C1qLI+Fv9dkOJPl/VKgV512x9WIJ5rsJYGDvTKnAtWyM0IXZ4E92JCf5Thoi4cBXoRsDXO5ugMR3Cw==
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

2026-09-17T10:07:11.912618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077633
observed 8339df732da38b1cdd6803784f1a63ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.895566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077633/manifest.json
observed 5363d1bc45e353d6b4820f1a5d0e3610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.877521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077633/publication.md
observed 2a6da21578c55b6bf843394b0eaac1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.858711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077633/publication.txt
observed 34b4a53f816b9c4e3f0449517c8948fc...
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.