OpenTechnical

OT-2026-000057924

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057924) never changes.

Identity and time

Publication numberOT-2026-000057924 · never reused
Internal UUID01a0ae88-6ed9-7e4b-acfb-466ae4c0b011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057924
StatusPUBLIC

Content hashes

Canonical text6518988678ab80bc9c1b0e20ba246bbb3be6f39ea03b96e34c9285f19cb96fd9
Markdown63c22b3daec7b0d0af6d0163576f01ab64b11fcd5746400eb71861340c52f1a8
PDF
Publication page5e5c40ad76f73b7600fab2a852576d01f4114f8cc146fe5d0144394014e045b6
Manifest295e81c4e85113c9c7955108085a40b0f303e1fbd5ce97f7ebf6f5c8162e7fdd

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
SignatureGOGB8+CIKuIZUH5rf6iQi/KaLZJxr3/ZUc75QaMb9x8E3NxWQrWFr5pV2VQmoys6tPxPdnjAQ/s0Qg0aTV6vDQ==
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

2026-09-17T10:47:32.116047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057924
observed 5e5c40ad76f73b7600fab2a852576d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.096308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057924/manifest.json
observed 295e81c4e85113c9c7955108085a40b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.075482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057924/publication.md
observed 63c22b3daec7b0d0af6d0163576f01ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.055975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057924/publication.txt
observed 6518988678ab80bc9c1b0e20ba246bbb...
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.