OpenTechnical

OT-2026-000009456

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000009456) never changes.

Identity and time

Publication numberOT-2026-000009456 · never reused
Internal UUID01a0ae6b-7562-7285-a414-07ef343c942f · 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-2026-000009456
StatusPUBLIC

Content hashes

Canonical textd5018123f7073586be45cb7d6c254252311ff4f45ae3a7bd0791caa3a8eaffb4
Markdown72082ca414d1d71dbf0c3f6d59533bc6e98d84d5acff546a028f54f833df73ca
PDF
Publication page69eb5e841a38c4f7318cdbc76ed7fde14f9801957c3f11678612b5db05bdbdd6
Manifest71833ad7ce2bb9c17430a1f3750b269b0948176e1cc413f56f7791320d216ff7

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
Signatureh7H0HJEqWNBM8SAhruR+Qem3wv/EGyXosU0YuMTU9+pT0s4TXr8gtIdN5rfI0xVPAh0MV2nhKOOZBZ94eWykAA==
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

2026-09-17T12:16:50.612582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009456
observed 69eb5e841a38c4f7318cdbc76ed7fde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.593560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009456/manifest.json
observed 71833ad7ce2bb9c17430a1f3750b269b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.573948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009456/publication.md
observed 72082ca414d1d71dbf0c3f6d59533bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.552943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009456/publication.txt
observed d5018123f7073586be45cb7d6c254252...
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.