OpenTechnical

OT-2026-000042799

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042799) never changes.

Identity and time

Publication numberOT-2026-000042799 · never reused
Internal UUID01a0ae7a-c0d0-7721-85a3-e86e86b21da0 · 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-2026-000042799
StatusPUBLIC

Content hashes

Canonical text0493e856c45b4c892892c88bae805895b577dd6ba1270e912de6348d1db887aa
Markdown3007c1cc4e6a9d16e969193c9a07a1d0c5b147cfb41e81b0930a2f048185149e
PDF
Publication page567e813f1ea44dad7baf16aa1fe9642859de738f0c789eef656e25d9a7f7b32a
Manifestf6e954029384a54e85bac4193f1d06735d1c3bc88924d206c31ecf87f9783826

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
SignatureBLEC0qSxnw36KT9yAE54uyxi3d6/7V4vdt48IV7hMivHZ9y5kA1wVaLfx1MI8J5HtnwfZl9eNHHplJylDRwNAA==
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

2026-09-17T11:15:16.155012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042799
observed 567e813f1ea44dad7baf16aa1fe96428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.135020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042799/manifest.json
observed f6e954029384a54e85bac4193f1d0673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.116095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042799/publication.md
observed 3007c1cc4e6a9d16e969193c9a07a1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.094805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042799/publication.txt
observed 0493e856c45b4c892892c88bae805895...
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.