OpenTechnical

OT-2026-000057975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000057975) never changes.

Identity and time

Publication numberOT-2026-000057975 · never reused
Internal UUID01a0ae88-6ed9-7f02-b0fa-9dd5ddd672d0 · 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-2026-000057975
StatusPUBLIC

Content hashes

Canonical textd935f91008a72f706069d94053d9f491fb5056c699de74038a8c042148e0a3ea
Markdown673db9dc0e7885a894d509e0b2f0d62bc8038896bc5a183a90f65c9e0f689966
PDF
Publication page4207f46e343980c0606ecaa4a8936eeb1aec7c44c649c6a3a0b332e70ee50a92
Manifestd859cb815641a6e32803db22725baedf998b93016d9ba22f722b67d1ed153b9f

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
Signature7BVJunhveqEV1vdxqx7VAKlkMLdBwaqW4Io/HAysaqSN9j5cj0arSAYo8I3dQ84jWrhEwU3gZCfkGS3XVgjeCg==
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

2026-09-17T10:47:35.969502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057975
observed 4207f46e343980c0606ecaa4a8936eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.949657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057975/manifest.json
observed d859cb815641a6e32803db22725baedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.928463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057975/publication.md
observed 673db9dc0e7885a894d509e0b2f0d62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:35.909608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057975/publication.txt
observed d935f91008a72f706069d94053d9f491...
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.