OpenTechnical

OT-2026-000026276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000026276) never changes.

Identity and time

Publication numberOT-2026-000026276 · never reused
Internal UUID01a0ae71-f4a6-744b-a7d3-f9cd0667ac2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026276
StatusPUBLIC

Content hashes

Canonical textb278f854c15510d104bf700a4f7c973aa96721fcebae5b3ce63fd3f41895f2ee
Markdown16adc4c94bec379bf3fcda06e8c2c80d8593b97a65452d73cd84bb79710a054d
PDF
Publication page449e1ff971d8b822893f4aa1c929689e2d083e035b49139037616a3414a4bc62
Manifestc5cde958b6c0cd012cc5fbe1136a25952350517a4d4ba4d25306ffe446122a7d

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
SignaturejAY4mEDIZPU0mcjILvOTbCvvjKCVzcR0+PZEmbPrS8DVkgpkrHvU2yIY4q3F9UOHtxRtozirozBHlZV/bJyUBQ==
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

2026-09-17T11:44:13.380345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026276
observed 449e1ff971d8b822893f4aa1c929689e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.364657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026276/manifest.json
observed c5cde958b6c0cd012cc5fbe1136a2595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.349401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026276/publication.md
observed 16adc4c94bec379bf3fcda06e8c2c80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.310213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026276/publication.txt
observed b278f854c15510d104bf700a4f7c973a...
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.