OpenTechnical

OT-2026-000048734

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-2026-000048734) never changes.

Identity and time

Publication numberOT-2026-000048734 · never reused
Internal UUID01a0ae80-c32c-7571-903c-ab82d7986506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048734
StatusPUBLIC

Content hashes

Canonical text16b89b2fb4e99621b6088ce3e8262fe9eec0cce06f4694187635bcdc126b0288
Markdown2ebd67f7741bdd7b33742fc563f4c1f789a7cae61c80e4c6fa008c294abbb908
PDF
Publication page55d76dbfb205e53c856e9a66667956f15ab70dc136d92170bf984ad8426c57a3
Manifestb2cfc440db345156c33df64974d191a7cc5c3a3b04ae6278f16bb20676fa560b

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
SignaturepoiMpCvqaT4NOJKE6lav+nlGsq4s8J7nVlAbXx8RBIRWZ7nb8ltV4+OkGHaMQHyBQOCguYOS/wBTy4rQ9D1BCA==
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

2026-09-17T11:04:23.192875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048734
observed 55d76dbfb205e53c856e9a66667956f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.173989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048734/manifest.json
observed b2cfc440db345156c33df64974d191a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.150829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048734/publication.md
observed 2ebd67f7741bdd7b33742fc563f4c1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.127021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048734/publication.txt
observed 16b89b2fb4e99621b6088ce3e8262fe9...
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.