OpenTechnical

OT-2026-000047995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000047995) never changes.

Identity and time

Publication numberOT-2026-000047995 · never reused
Internal UUID01a0ae7f-c422-7b83-929d-3fbfc8c4a1d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047995
StatusPUBLIC

Content hashes

Canonical text0d520a7f4c0ebb92582bb83f525aaa3f7aad354dee9fb00568bad24d162c0609
Markdown5cee354736ec86525e095d8aaef539070271c777f07ce82759bbdd875411d233
PDF
Publication page24ad8b09b85550128e1d060eb33cc38eaca8ad300a338287dfac1e353e56dd00
Manifest0d486ed98fde36c32d959a686c7a06eabc307affe77edc1476a8953b19b016ef

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
SignaturebNYuE4N2LMElyzr0jWaw9+iN8ajxKJ4Xo12HDksDM6Pk/+0DsUKuv04DYnyLvr1zCtlxEfwoW8jZFe471OX7Dw==
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

2026-09-17T11:05:58.820352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047995
observed 24ad8b09b85550128e1d060eb33cc38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.802180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047995/manifest.json
observed 0d486ed98fde36c32d959a686c7a06ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.784113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047995/publication.md
observed 5cee354736ec86525e095d8aaef53907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.765832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047995/publication.txt
observed 0d520a7f4c0ebb92582bb83f525aaa3f...
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.