OpenTechnical

OT-2026-000042776

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000042776) never changes.

Identity and time

Publication numberOT-2026-000042776 · never reused
Internal UUID01a0ae7a-c0d0-7851-9a6c-8f51a22f81a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042776
StatusPUBLIC

Content hashes

Canonical textfcaaa222d0b51963062d0d9721b775482ab58e709795a281d311189acc46dcb9
Markdowna9f61531d4b58d43ffd9b21f537a7c47de8c565ba489e5ba0d70726d6b7d3997
PDF
Publication page520c1541304f2419a6a59f357e916fc6dd0943421e05f3b7c3dd21b61149e2f0
Manifest036f14294e5954848c3fa19e208dd901cd71873921b0d77563ab187b878fb97a

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
Signatureqi8Iyi+SBo0rqlGnjzJLl499DV1HHIgmzvw51vuvGLo8Nt+QXyKW4+ZaLoX+n+SSRVir9vcyX0hmAHKL6hLYDw==
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

2026-09-17T11:15:14.224784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042776
observed 520c1541304f2419a6a59f357e916fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.206578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042776/manifest.json
observed 036f14294e5954848c3fa19e208dd901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.188416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042776/publication.md
observed a9f61531d4b58d43ffd9b21f537a7c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.169130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042776/publication.txt
observed fcaaa222d0b51963062d0d9721b77548...
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.