OpenTechnical

OT-2026-000092520

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000092520) never changes.

Identity and time

Publication numberOT-2026-000092520 · never reused
Internal UUID01a0ae9d-b5fd-795c-b159-2700eae8c0d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092520
StatusPUBLIC

Content hashes

Canonical text15c7e5c799ffbe05aad6d16cd0730ee4849a180050155c21e0ad394f0c80a467
Markdown4983e13f1c82382c2a59159e8474f06e76fb4cda87f13d928b0e1fa19a1e796c
PDF
Publication pageeef7312127b6ca0d0c1cbe1bfe3d9ab1386664fbc576db2a9fa5e33b2e056f8f
Manifest5089a79cf5827f2373b026c56ffddb7f1f007dbe8847efed12df303da0b52a14

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
SignatureFOD1BiBP41kz66tzGBGkQSi5KFfni3v9KxCKQKF3wZ824A5yWoqXDNnEYagTu2Xs+QaAYSarW02HnyD3WNRECA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:05.723194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092520
observed eef7312127b6ca0d0c1cbe1bfe3d9ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.705262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092520/manifest.json
observed 5089a79cf5827f2373b026c56ffddb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.685919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092520/publication.md
observed 4983e13f1c82382c2a59159e8474f06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:05.667637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092520/publication.txt
observed 15c7e5c799ffbe05aad6d16cd0730ee4...
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.