OpenTechnical

OT-2026-000061159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000061159) never changes.

Identity and time

Publication numberOT-2026-000061159 · never reused
Internal UUID01a0ae8b-137f-7e58-aeda-b7165f55cba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061159
StatusPUBLIC

Content hashes

Canonical text396b3ba74c64636bc278286382164303d80efa8d7738048a2d383578054ed4d0
Markdownc81e8849ba3dfcfc026a56f91ebfaa48c04a9d89eb9adbd9caf181038aa02c9d
PDF
Publication page76fdb30809752d7e8e01e06b7ce6bbb8b36d10b820585e75055f890b6c8c1217
Manifestce7faf02326964c79ff0f5a442a053a11158aab1940c5481dad320b894509832

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
SignatureWNr2rffNADuuXjqXVD7BndW6aVU1WfKy0tGZUZBGvMgC0aE3hzsecmYZGD+B0OfuQ9YSxhUbWT0Of5Au8PB+CQ==
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

2026-09-17T10:42:32.688314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061159
observed 76fdb30809752d7e8e01e06b7ce6bbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.670758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061159/manifest.json
observed ce7faf02326964c79ff0f5a442a053a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.652715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061159/publication.md
observed c81e8849ba3dfcfc026a56f91ebfaa48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.633660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061159/publication.txt
observed 396b3ba74c64636bc278286382164303...
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.