OpenTechnical

OT-2026-000071636

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000071636) never changes.

Identity and time

Publication numberOT-2026-000071636 · never reused
Internal UUID01a0ae92-1e90-7420-8827-b2029d49b27a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071636
StatusPUBLIC

Content hashes

Canonical text99134233c7474ef30dc8d7eaab36fba3ad3578a60b48fa0619e612b349a0df9b
Markdown291ce83c5ea756507a6312b0438f3a84b6b9951db211a8e01d6ad6228fe99a45
PDF
Publication page2c96266453184d21859aa3315fd428881c867db03597c3d0c6d3ef6e6067cbcb
Manifest3f35dc6f038f04b16187ac0811ff771d4035d13d99ce76f508ceea659a8d6092

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
SignatureSZQvRcZ7aY/waqW8oVrOW7ATngACR9y5s6cbrv0hdo0TamJhrmbzZBz1M3himeoGQntjYjSwXVv3ldfZaaK2Cg==
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

2026-09-17T10:23:38.274767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071636
observed 2c96266453184d21859aa3315fd42888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.258702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071636/manifest.json
observed 3f35dc6f038f04b16187ac0811ff771d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.241221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071636/publication.md
observed 291ce83c5ea756507a6312b0438f3a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:38.223327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071636/publication.txt
observed 99134233c7474ef30dc8d7eaab36fba3...
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.