OpenTechnical

OT-2026-000074692

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000074692) never changes.

Identity and time

Publication numberOT-2026-000074692 · never reused
Internal UUID01a0ae93-ac2b-7c5c-91d9-681c2d93b0fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074692
StatusPUBLIC

Content hashes

Canonical text69b8f7037e85dc670aada4ec8c386dadef2a06bea2dd4b1dd9d65bec38cb9243
Markdowneeee63c22ff374813bab75d3eccacaf7b3ea19a1595ae213d8691bfe3a49a438
PDF
Publication pagef176cf2f33a6b23cc57fc4ecb95f521f5de5e5e5011527ecea46b6212144a96a
Manifestb46e16081496f87b5af4abea59318c88b0c79235368f3916aef4a5cc3b36bd4f

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
SignatureQLdZ5HArjrLRmcT/vJVT6PGELytOlo3DCq0V70rNv8i6MjEJszOMK/hiDYOCSKKJtH0X63H6eql3bzmoOBNqAw==
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

2026-09-17T10:18:16.831782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074692
observed f176cf2f33a6b23cc57fc4ecb95f521f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.813197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074692/manifest.json
observed b46e16081496f87b5af4abea59318c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.797825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074692/publication.md
observed eeee63c22ff374813bab75d3eccacaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.779701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074692/publication.txt
observed 69b8f7037e85dc670aada4ec8c386dad...
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.