OpenTechnical

OT-2026-000011170

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000011170) never changes.

Identity and time

Publication numberOT-2026-000011170 · never reused
Internal UUID01a0ae6c-540f-7852-8570-348c45c162ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011170
StatusPUBLIC

Content hashes

Canonical text7acac60041f71eb21c284595809a1c57679a9a54a50b1b47db22d8d995b5a34a
Markdown76bda89c387eed8d97ea5c29780be0b6253e581290d778590856dd42e7e1d7be
PDF
Publication pagea3e7f82d54f3554fc70155cd301ebdfff81ed67cfb1b9f3e897eb1b03977c835
Manifestc6da9c838a3d02babbe41dd1885cf86b179c58ec50d2289ca1ac75847fa895cb

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
SignatureO5r4umSRSovTKivgEox4r3rllMSVfut8FUmPez1Z3M4tdNKe8Z5X56eD3FEqW9IraovpJc1s3csE2iHaoicaBQ==
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

2026-09-17T12:14:06.419654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011170
observed a3e7f82d54f3554fc70155cd301ebdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.400286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011170/manifest.json
observed c6da9c838a3d02babbe41dd1885cf86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.381934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011170/publication.md
observed 76bda89c387eed8d97ea5c29780be0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.361627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011170/publication.txt
observed 7acac60041f71eb21c284595809a1c57...
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.