OpenTechnical

OT-2026-000015501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000015501) never changes.

Identity and time

Publication numberOT-2026-000015501 · never reused
Internal UUID01a0ae6d-ef4a-7d66-9975-94d4964ef93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015501
StatusPUBLIC

Content hashes

Canonical textd119e0ba63b3456277672229b63f96779d36d31d52dd91bf20eccf91deb39465
Markdownebcc5513387c8d8f3dc9d0f898a28b902167697cc0ec348baa527839449ab2a8
PDF
Publication pagea088be8eff2ce6d1dbc2578bcf8834925fa0ccb60275df5dc7b095bdfb0b8f48
Manifest04506df53094c6362fe07dae29841f6665069223f42b0e5fd2e2ff7b93f4d995

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
SignaturenUGFxGVChon2OnsEiFeYqgnuY8Uiz9Nrc4YwszJ2ORFeFIkbQOQ89czaDDCNHnIR+4nhJ0pSf8FEprg/U1KtAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:16.103543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015501
observed a088be8eff2ce6d1dbc2578bcf883492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.085660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015501/manifest.json
observed 04506df53094c6362fe07dae29841f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.067780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015501/publication.md
observed ebcc5513387c8d8f3dc9d0f898a28b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:16.050358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015501/publication.txt
observed d119e0ba63b3456277672229b63f9677...
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.