OpenTechnical

OT-2026-000044486

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000044486) never changes.

Identity and time

Publication numberOT-2026-000044486 · never reused
Internal UUID01a0ae7c-39d8-7cdf-a065-85317c046f07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044486
StatusPUBLIC

Content hashes

Canonical text96edc46926856f0398b3838c30977ed7dc8d44b5bf1296a868f959af82092815
Markdown2e52ee80929ac2d6acbde9840871379c32cc337db7ebb62f56a2abc900024420
PDF
Publication page4976893e9f60a59f2fef2cfcb6a3a523100b31d997c22062dc95c2196f106676
Manifest7ca6aac672ac5046ea606da61d1c20377c347bb5f8815f89b6347200034d6e52

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
SignaturezsXckxM4i6j6W7rvjlw/cPKUFzTpe7pFY5KihrS2qSKYeAOpyKhb97dvqM96FrroFoNgFJ1F7KCoVDAKYDUFCQ==
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

2026-09-17T08:30:55.993210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044486
observed 4976893e9f60a59f2fef2cfcb6a3a523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.974879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044486/manifest.json
observed 7ca6aac672ac5046ea606da61d1c2037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.831597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044486/publication.md
observed 2e52ee80929ac2d6acbde9840871379c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:55.815690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044486/publication.txt
observed 96edc46926856f0398b3838c30977ed7...
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.