OpenTechnical

OT-2026-000080554

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000080554) never changes.

Identity and time

Publication numberOT-2026-000080554 · never reused
Internal UUID01a0ae96-7e79-730a-b19d-5848770b8f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080554
StatusPUBLIC

Content hashes

Canonical text36808bca716c9699c95a7bf77cc8251d699ed90cc0ac54adb8b0385b12b9f4b6
Markdownaa2aa10ac54fbbf6d8627fb45e1241ae8c0e25b95cd09f6d1a6d88b395bcf3f7
PDF
Publication page05622001fe60ead876dd7dbcf2ed357c6c01ed4bb4791efa23ea2a394f86609f
Manifesta013c5deec0db0cf69edfb09d07e56d0876db1823ecb57d9197bf8b6721d0e94

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
SignaturemWtzB90M99ipjf3xBxLK+SFsBvOCcYw+PjedRW83lT4mbtVM+rrGfaII3SF+5GmsIISOxfA1TanvYc3H3GQTDQ==
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

2026-09-17T10:03:11.009945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080554
observed 05622001fe60ead876dd7dbcf2ed357c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.989821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080554/manifest.json
observed a013c5deec0db0cf69edfb09d07e56d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.971888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080554/publication.md
observed aa2aa10ac54fbbf6d8627fb45e1241ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.953476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080554/publication.txt
observed 36808bca716c9699c95a7bf77cc8251d...
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.