OpenTechnical

OT-2026-000088553

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088553) never changes.

Identity and time

Publication numberOT-2026-000088553 · never reused
Internal UUID01a0ae9b-8f0e-7f21-859f-24b9a977cb1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088553
StatusPUBLIC

Content hashes

Canonical textbfba24f912466d2fe4ed0e704fe6d8034f2ffb5bb19fb989c3b9e520cc5deca4
Markdown3995f28ed3b2f38d23228b2ff43fcf0f9cf92a36575413f2cdee17760dde82b3
PDF
Publication page38bd560b23679b4981297b67b7251c0f7bc0932808b9f84df757697f8ca138f5
Manifest03e5168ee4bd47def4acf90bdd17ac71e320d54061fdf5272d3be87b5de3718d

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
SignaturesjcAR9TX3SEeLUiiTLixkdZBrtrld3Ai6A4wb2caQU2zOBsRZbBUqBUlOkER3C3Pi51/deDk/ScAAgO4PdAiCg==
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

2026-09-17T09:47:43.519905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088553
observed 38bd560b23679b4981297b67b7251c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.502374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088553/manifest.json
observed 03e5168ee4bd47def4acf90bdd17ac71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.483612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088553/publication.md
observed 3995f28ed3b2f38d23228b2ff43fcf0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.465425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088553/publication.txt
observed bfba24f912466d2fe4ed0e704fe6d803...
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.