OpenTechnical

OT-2026-000062053

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after set-down, on a tool changer

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-2026-000062053) never changes.

Identity and time

Publication numberOT-2026-000062053 · never reused
Internal UUID01a0ae8b-b8af-740f-b231-0ba3c0cce1aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062053
StatusPUBLIC

Content hashes

Canonical text3195a26cdf2c6845413accbba07d5965b7b200d24a19bab5ec5ff612bd57e5c5
Markdowned3d21a612767d567d8869729e7f4388e514f54586ed836f3befb7bdc599de78
PDF
Publication page28a4bcb4717707c7d25367e6d2a089b8fd2fb17c0a22931c14608fe38033b401
Manifestc93c4d98deb04c92b770af4a6198f1079254cecf6fce81f33e27dc778a09567a

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
SignatureQGHxoahJ/jQfBgy41sXHDxCV76yUfnAUVQ6rpGa7vUMDuMKaZvznVBCrsKXRg/8zpydP7T0V22t57PzrqSPKCg==
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

2026-09-17T10:41:05.768507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062053
observed 28a4bcb4717707c7d25367e6d2a089b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.748063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062053/manifest.json
observed c93c4d98deb04c92b770af4a6198f107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.729620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062053/publication.md
observed ed3d21a612767d567d8869729e7f4388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.708641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062053/publication.txt
observed 3195a26cdf2c6845413accbba07d5965...
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.