OpenTechnical

OT-2026-000009787

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000009787) never changes.

Identity and time

Publication numberOT-2026-000009787 · never reused
Internal UUID01a0ae6b-7565-713e-9d19-2ea8ca612cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009787
StatusPUBLIC

Content hashes

Canonical textf0fe7684b3a4cfb937270a8fe1211be16a489125bf3eeaa1cac5f081e2246c6f
Markdownce4f8ab427cd8c54ae5282678ccdbd8fe22499bccbc64744502b47acee086b21
PDF
Publication page7452db5ba0c02ba25159670682a51bc96a03a75d0694fc5d5c5ba78a6109567d
Manifest40b2d5bb1221d57ca3f0182be8ea59f656be4b73962b1acf7ebfa965ba52af6c

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
SignaturexVfpfH0PE1Dk5pL7nH/hDajAGv2+QcS4SovCeo1788jFIgQUxqntD/OX1po932vx0xnfoMf4TenlrNqKB/8nDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:18.266971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009787
observed 7452db5ba0c02ba25159670682a51bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.249584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009787/manifest.json
observed 40b2d5bb1221d57ca3f0182be8ea59f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.230778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009787/publication.md
observed ce4f8ab427cd8c54ae5282678ccdbd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.212063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009787/publication.txt
observed f0fe7684b3a4cfb937270a8fe1211be1...
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.