OpenTechnical

OT-2026-000079576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented 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-2026-000079576) never changes.

Identity and time

Publication numberOT-2026-000079576 · never reused
Internal UUID01a0ae96-0b92-70d9-b626-f8f8967a5783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079576
StatusPUBLIC

Content hashes

Canonical text3bb94abcf094c01a0e45871d7e5371636ad966c72a946acb64ce411a8d1b7f1d
Markdown0d87c51d2b03c7763d15e79634ff7484e59966b577e26c2e087c38036e9cfc98
PDF
Publication pagec1dc3331df632abde782498c9009a85c13f816565e0401656695ae9f8f5a69a3
Manifest629724bb6d3f6b3f86984da479a0d8a0d791a54e68c8c596d2828a582f2ef28e

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
SignatureBDhSvcD2kwZcngqR4K1JZwxyL83FH2nHUTqJoUrFdAQnpbXCE8iWSi8eeAOOlvoEl+s6JOq9ptPlt22dVVn6Bg==
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

2026-09-17T10:05:13.724906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079576
observed c1dc3331df632abde782498c9009a85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.705467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079576/manifest.json
observed 629724bb6d3f6b3f86984da479a0d8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.682445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079576/publication.md
observed 0d87c51d2b03c7763d15e79634ff7484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.662064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079576/publication.txt
observed 3bb94abcf094c01a0e45871d7e537163...
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.