OpenTechnical

OT-2026-000079981

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000079981) never changes.

Identity and time

Publication numberOT-2026-000079981 · never reused
Internal UUID01a0ae96-4377-79a3-8038-e7331d5b81b7 · 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-2026-000079981
StatusPUBLIC

Content hashes

Canonical textc371877ad46637c3e7cb917083694feed261d7ff48e60a30711f62b1f9588567
Markdownf18aeebbc9ea3db41b9cdd3d68545f12e1cf69dc764ef51fb4d3b9b774e46456
PDF
Publication page3635b3b1619bc0ce8eec1904f5ca3b8e713ce23931eb634bd945e63d51cf2df1
Manifest06eb5c2a38a4158ca3e5ba0c4727565d0d8b0736cea9d4db81f0ea96f25aeb39

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
SignaturecIFpx1bPJejGI/cRsfTUNQP4F0lCDmthOCTUBD/m6gth5NUYGSEtmeMVQC2oKpKs4mthVKJJ6UMlQq/cFXf9Bw==
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

2026-09-17T10:03:53.907942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079981
observed 3635b3b1619bc0ce8eec1904f5ca3b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.890147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079981/manifest.json
observed 06eb5c2a38a4158ca3e5ba0c4727565d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.869551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079981/publication.md
observed f18aeebbc9ea3db41b9cdd3d68545f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.849881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079981/publication.txt
observed c371877ad46637c3e7cb917083694fee...
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.