OpenTechnical

OT-2026-000081036

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000081036) never changes.

Identity and time

Publication numberOT-2026-000081036 · never reused
Internal UUID01a0ae96-b976-79cc-87c0-543b28a26b49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081036
StatusPUBLIC

Content hashes

Canonical text52939c9c80e9de6e7e32515c9c2ddbe9e2e8c7e535f94054b75b9a8c9e60373f
Markdowna431fca977d4d20715a09d16dbf2328e4387480f6728c633dd6d7c33512ee60e
PDF
Publication page25876248f145e8c3054609f294305d464834df5fbeb7f3bb2fa65fd31f31eade
Manifestf82a14ca219dd78a4fe8d2eb6bd0e70bd1fc08372c43dc48850c54d3f958e6dc

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
SignatureBvPyWgXfANyqHbgE27JHIjZ2U9308uM+ulXVkqp3qsnTNzosZaoXNoIUZGgT9KA54faYZAqFBLHexwG+93mQAQ==
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

2026-09-17T10:02:19.634617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081036
observed 25876248f145e8c3054609f294305d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.618177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081036/manifest.json
observed f82a14ca219dd78a4fe8d2eb6bd0e70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.601162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081036/publication.md
observed a431fca977d4d20715a09d16dbf2328e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.583699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081036/publication.txt
observed 52939c9c80e9de6e7e32515c9c2ddbe9...
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.