OpenTechnical

OT-2026-000079760

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000079760) never changes.

Identity and time

Publication numberOT-2026-000079760 · never reused
Internal UUID01a0ae96-4375-799f-b692-04c143a0cc63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079760
StatusPUBLIC

Content hashes

Canonical text0ed0df50e77fefd7ef776c0d6bbe29de729824ffb86753a3ca4ec174caa960e0
Markdown0142d5a688c7da5696438fc289b5fef676c3a008f9e06135ec536803223c6578
PDF
Publication pageaf3293a943c927e420ff2c3e9a32751e0c5dca3daeef7e5f4b45a9ca150510a6
Manifestcc11c435a8d1b178ca2270fa2b4513fd2065e7e528e08d435884a483faf8a24a

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
SignatureH8NZ8XX/8MixXQloGZtU1oMK/61gphuC2Vi6hGuSPsyTL/LiDt6KIbV6CfUwKAFlWYOSYHxH//bcxSFBpL/WDA==
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

2026-09-17T10:03:37.794423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079760
observed af3293a943c927e420ff2c3e9a32751e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.775709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079760/manifest.json
observed cc11c435a8d1b178ca2270fa2b4513fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.756208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079760/publication.md
observed 0142d5a688c7da5696438fc289b5fef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.737047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079760/publication.txt
observed 0ed0df50e77fefd7ef776c0d6bbe29de...
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.