OpenTechnical

OT-2026-000015679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000015679) never changes.

Identity and time

Publication numberOT-2026-000015679 · never reused
Internal UUID01a0ae6e-0c4b-77b0-adcd-7f2750efa124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015679
StatusPUBLIC

Content hashes

Canonical text5f7023b9a4eef25b022dcec60b49120d509ebff3267689e94fa8797af8479ebe
Markdown3b4a5eaee631fafd0960060d1a1ad2525026292280a05131c5a68114b8ea99e0
PDF
Publication pageeea235381174f803ca254657e3269bfff68570a9249efc18acfc2a7bfa603bb0
Manifest5efdf60b5d27c1f2cfa7edeb300dfe8cc5dd5c5d23d6af232c831ce9bc463f7c

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
SignatureXhZRGmeNCur7Nh7VDAxh7yvdIXGYM/t9me+HhKWfQD5Hp31cQDFMvGoK723Ir/4t+f5NNMv1xoGsbxNYKmqWCA==
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

2026-09-17T12:04:56.941934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015679
observed eea235381174f803ca254657e3269bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.923574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015679/manifest.json
observed 5efdf60b5d27c1f2cfa7edeb300dfe8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.903908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015679/publication.md
observed 3b4a5eaee631fafd0960060d1a1ad252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.886023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015679/publication.txt
observed 5f7023b9a4eef25b022dcec60b49120d...
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.