OpenTechnical

OT-2026-000040789

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000040789) never changes.

Identity and time

Publication numberOT-2026-000040789 · never reused
Internal UUID01a0ae79-6d0f-74d5-ad97-dc449ce639ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040789
StatusPUBLIC

Content hashes

Canonical texteb66cb4331d3e32aece216dd8350866602aec22299c31693c65aa122e7524d1e
Markdownb2db2402af556d740b6fe547d602a8529cf7183f553b606d99d099bed6e21d97
PDF
Publication page4d906d21e4dd867fa2cc6ee2c765fa21caf0d716202c749b4d2be8874d8bda88
Manifest0f7d423bfbf5a76c6b5c5f69cc3002c7da4710cb560ad5749a635c6bc7bc4403

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
SignaturecM1XOShIQlVB/Bd8uISWD24FIJ6G9i8czHZZ3Q2Ti3gbby8uJoID0ZM9thgPGJgpuY47suwPs2ZzDRDIZeZwCQ==
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

2026-09-17T11:20:05.648718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789
observed 4d906d21e4dd867fa2cc6ee2c765fa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.629755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/manifest.json
observed 0f7d423bfbf5a76c6b5c5f69cc3002c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.611430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/publication.md
observed b2db2402af556d740b6fe547d602a852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.594236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/publication.txt
observed eb66cb4331d3e32aece216dd83508666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.497748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789
observed 4d906d21e4dd867fa2cc6ee2c765fa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.479402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/manifest.json
observed 0f7d423bfbf5a76c6b5c5f69cc3002c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.462250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/publication.md
observed b2db2402af556d740b6fe547d602a852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:33.443135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040789/publication.txt
observed eb66cb4331d3e32aece216dd83508666...
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.