OpenTechnical

OT-2026-000045853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000045853) never changes.

Identity and time

Publication numberOT-2026-000045853 · never reused
Internal UUID01a0ae7d-8f06-7036-9ddd-6f5311ba522b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045853
StatusPUBLIC

Content hashes

Canonical text0bf5c7bd8f2fd94076125b1fc1d2b964fd4224364c428ed2c359c1fec9afb354
Markdown1388b28c3789b51fc322b6a6f899953b19c761e0946927f5bd1ab2cb01558f0e
PDF
Publication paged1aaf61bb4cb46ade6832c159e80f7834daa480d6c244e4bac0ef4e650129142
Manifest455b9720846fcb4482895e1db07d4f80f626db363f209bd56e3db068c6c74a3a

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
SignaturemY3Q3Hjc1AHGsxhaNvzIOft2Cq0nbczMPVycbkzXzSYPDX3YZTE/Vw6vNLol8z4c677P5kVpfksY/5MFEz0dBg==
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

2026-09-17T11:09:44.082908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045853
observed d1aaf61bb4cb46ade6832c159e80f783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.063880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045853/manifest.json
observed 455b9720846fcb4482895e1db07d4f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.044485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045853/publication.md
observed 1388b28c3789b51fc322b6a6f899953b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:44.022354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045853/publication.txt
observed 0bf5c7bd8f2fd94076125b1fc1d2b964...
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.