OpenTechnical

OT-2026-000081760

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000081760) never changes.

Identity and time

Publication numberOT-2026-000081760 · never reused
Internal UUID01a0ae97-0f74-7fd3-a255-d5741d9aa361 · 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-2026-000081760
StatusPUBLIC

Content hashes

Canonical textb1f05efe5d5fb4910e2c952849641cd4fc8957e571cdf4264b5c9627923a973c
Markdown8dae4981b5278f1249820a2eb3fe397cf79ba9c1793ed1750c4e9ed352d6d4d7
PDF
Publication pagebad552f312aa1261af4206b801da68017d6397fc13170e6a5b7c5a6126a5e93f
Manifest6d95631c8fd3b3cb8e34042b4e8ada0fba91d96d42ad2d0f23c7cc084e5eb677

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
Signaturec0kCihFnNkKBnbKPpf7iyKnebcr3QAA9YTsuyzUT6Y3X5vbnjAGxM4U4NmY977CXhSIa+tvrxhLPRbsAQmGdBg==
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

2026-09-17T09:59:51.015875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081760
observed bad552f312aa1261af4206b801da6801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.997223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081760/manifest.json
observed 6d95631c8fd3b3cb8e34042b4e8ada0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.978698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081760/publication.md
observed 8dae4981b5278f1249820a2eb3fe397c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:50.957644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081760/publication.txt
observed b1f05efe5d5fb4910e2c952849641cd4...
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.