OpenTechnical

OT-2026-000076960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076960) never changes.

Identity and time

Publication numberOT-2026-000076960 · never reused
Internal UUID01a0ae94-b071-77fa-8e81-22c0e49199a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076960
StatusPUBLIC

Content hashes

Canonical text572cb719490aba32e549602a72ed0cedc3bcb199a40b0e02f45092ab4e63b7d9
Markdown6cd6a333aeb9af56eeebf847553fb920357a7ee2c699dab5731a842e31724de8
PDF
Publication page15c30f670ee1c8e5bc2a8a9fc42e59e0da2c078f6f5cff8510944e9077383b15
Manifest4f27f5492fb35c8d01e8c40434249d1208dd3cfda18160e9a20bcbf4a992cce2

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
Signature0L22tN5Eoejqy5oaOihR1l1UXQU+qR/NCaWZNu1W5M6ub8V9np3/HWeUokH+TV9B8KDr/0SmIQWdkeC/Por2Bg==
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

2026-09-17T10:10:10.513645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076960
observed 15c30f670ee1c8e5bc2a8a9fc42e59e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.492038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076960/manifest.json
observed 4f27f5492fb35c8d01e8c40434249d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.470604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076960/publication.md
observed 6cd6a333aeb9af56eeebf847553fb920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:10.447765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076960/publication.txt
observed 572cb719490aba32e549602a72ed0ced...
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.