OpenTechnical

OT-2026-000081954

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000081954) never changes.

Identity and time

Publication numberOT-2026-000081954 · never reused
Internal UUID01a0ae97-0f77-78c5-ad6f-e2839374f9bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081954
StatusPUBLIC

Content hashes

Canonical textdd26195a6d6a3a3292b4a337fa89ba94efa7002f847baef26fba5128e0f5c329
Markdown51230e13924d9f1632ad3b801cce0e7aa8f8668319e40fc2a88edd9532614ab8
PDF
Publication page33a16322b8748a1af305d1561d2f082c869c7a7278fe68c7ff12b70108cdae55
Manifestde462e570014e0ac178f9cc9d2c35f8515cde6dc419cbb96f23212387d4b79cd

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
SignatureiK1mb3WFdLkD+cjEKaMYQgNSrVjZefp2o2d3QP8VFAIfcYQVqQtjKvX1x942YQ0oLWSk28cIYJELe+6F/zJlBQ==
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

2026-09-17T10:01:05.371287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081954
observed 33a16322b8748a1af305d1561d2f082c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.353373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081954/manifest.json
observed de462e570014e0ac178f9cc9d2c35f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.336297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081954/publication.md
observed 51230e13924d9f1632ad3b801cce0e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.319156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081954/publication.txt
observed dd26195a6d6a3a3292b4a337fa89ba94...
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.