OpenTechnical

OT-2026-000078049

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078049) never changes.

Identity and time

Publication numberOT-2026-000078049 · never reused
Internal UUID01a0ae95-6e8c-7eb5-87a2-c34d58fa49b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078049
StatusPUBLIC

Content hashes

Canonical text0cb6a352c44d44531930ff5e475ab311219431f96dbff1b1676ec1f5b8cbb581
Markdownc010d2af997cc686ef24f5fa226d6d644be5d1d6bfcc5bd0993afa181bbb20b7
PDF
Publication pagec1dcedd5ab7f45d7a8079e36a994db5720908a5bc76f23a00ef4613e04c2557b
Manifestea69eb1e95048a58004a26bce0179a3b78dc7834def51e55bca1be5cf5b9e9ad

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
Signature7nwsEEsqFz3eGWsLTdtyPs8S330cfOsEuRa5t+r35e5L/2V7wHLqm4bOnt5+U0ERvtO9XgfNC5peGWMA3v8KBA==
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

2026-09-17T10:06:45.145817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078049
observed c1dcedd5ab7f45d7a8079e36a994db57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.128382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078049/manifest.json
observed ea69eb1e95048a58004a26bce0179a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.112056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078049/publication.md
observed c010d2af997cc686ef24f5fa226d6d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.091457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078049/publication.txt
observed 0cb6a352c44d44531930ff5e475ab311...
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.