OpenTechnical

OT-2026-000035603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000035603) never changes.

Identity and time

Publication numberOT-2026-000035603 · never reused
Internal UUID01a0ae76-b4c6-74f7-be1b-0424f6d3311c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035603
StatusPUBLIC

Content hashes

Canonical text4b4ef816d8d55e8a2855fb153ddb5756c85892e5695d1a54b467d5b0750a7e11
Markdown852381fe4356485dad4a4f6cc5006da42854020d947b429060d4704e38d66ba2
PDF
Publication page7f237d6ba136190d3a19964b44508b29e4f3477472d4ec3711e12ef8338ae745
Manifeste306115bed5a469d0b1b52ce522d5b3b4704e4d182b869709b1716d96fde7922

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
SignatureKbe9MJEbFHeLDM5zF2f5GhHDT2TMQDOlPvoSRQwqo8cybj0HOwiAw3mOx5EeTeaP9bLfGJFCQNaLkiViJEC0Bw==
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

2026-09-17T11:27:08.226590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035603
observed 7f237d6ba136190d3a19964b44508b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.207808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035603/manifest.json
observed e306115bed5a469d0b1b52ce522d5b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.190283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035603/publication.md
observed 852381fe4356485dad4a4f6cc5006da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.166306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035603/publication.txt
observed 4b4ef816d8d55e8a2855fb153ddb5756...
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.