OpenTechnical

OT-2026-000050688

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000050688) never changes.

Identity and time

Publication numberOT-2026-000050688 · never reused
Internal UUID01a0ae82-c7b0-7557-8d00-cf14dae22125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050688
StatusPUBLIC

Content hashes

Canonical text2d5f249c20c7d49b69da3962bfc06c0b312f279c8c061e782ac6b1cb71a9304c
Markdownd01118787adc4e14cd95427127e1b182526066bfa2a902a67fb211990aff6020
PDF
Publication page36594b9120e78e66f7b7c100f7f94ecbf7c72c5550ea5626ada4689a044771fa
Manifest3f06ec8f578f5cccd060e0a53749b8ee261209b4e6fcabffd78dc3d4acef0791

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
Signaturezco8vmiZgkHHSW0mjtJ9ZmrkDoz7dQyBEypPsc8jy8Hcme4ENiyDCtPkbbv0fGj4dZ9Xg73TRdG9uaj5uqmqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:23.904907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050688
observed 36594b9120e78e66f7b7c100f7f94ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.885523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050688/manifest.json
observed 3f06ec8f578f5cccd060e0a53749b8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.866603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050688/publication.md
observed d01118787adc4e14cd95427127e1b182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:23.847881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050688/publication.txt
observed 2d5f249c20c7d49b69da3962bfc06c0b...
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.