OpenTechnical

OT-2026-000086060

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, sustained 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-2026-000086060) never changes.

Identity and time

Publication numberOT-2026-000086060 · never reused
Internal UUID01a0ae99-e82b-74c5-ae26-96b8630f40aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086060
StatusPUBLIC

Content hashes

Canonical text646a88798f9d6bb5c7ca86cc21d6c139471cfb659294fb55c5ce6bd9fcd7e4d0
Markdownb639341eb25e6cf82f68e3a65c1d5e645ffd19c7edf4211d0590dd920eb3967c
PDF
Publication pagedc442f120b50cafedde2683780895f813fe3666a2fe26c2b1769831e51de1efc
Manifest0440b68cdea95e85aca3c5d7155924fae966f205d946cbc2a25366810d7f4eaf

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
Signatureuda9hG/6jbUCcLoDciS12Z9SNwXeTDb63RVPT1Jw9OZ4nQWgEaKFDu/ZJ2Dwi9KMHCr7+YHyPky4jmDa8kInBQ==
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

2026-09-17T09:53:03.439715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086060
observed dc442f120b50cafedde2683780895f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.423197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086060/manifest.json
observed 0440b68cdea95e85aca3c5d7155924fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.407232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086060/publication.md
observed b639341eb25e6cf82f68e3a65c1d5e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:03.390062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086060/publication.txt
observed 646a88798f9d6bb5c7ca86cc21d6c139...
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.