OpenTechnical

OT-2026-000075103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000075103) never changes.

Identity and time

Publication numberOT-2026-000075103 · never reused
Internal UUID01a0ae93-ac2e-7eea-86c4-21a1c8f58e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075103
StatusPUBLIC

Content hashes

Canonical text2c35d557abef765a0991c4ef3f544b47e763e0c0d23ebb688147d93086f5cf4f
Markdown96a4cd769c81c2189f454ede2c22660b84cca2e8fd7c0a7dbe5f3d9cf6095258
PDF
Publication page4324f84977b15090c2bbae2f9c9d70949bbe486ec9d967efc68e94a496db37b6
Manifest10d391eb76c79f07d2ecf85a225873fe7ffc81fbd1cf71a538b22892d12b1586

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
SignaturelVAoh2LKa69FsWNZBjNoAhRheb56QOVZwymuRQsECa7eskHSruIWP8aIwr5Z30NnLtUIoJSsEW7Ldzh+C2IzBQ==
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

2026-09-17T10:18:55.677126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075103
observed 4324f84977b15090c2bbae2f9c9d7094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.659561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075103/manifest.json
observed 10d391eb76c79f07d2ecf85a225873fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.642356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075103/publication.md
observed 96a4cd769c81c2189f454ede2c22660b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.625997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075103/publication.txt
observed 2c35d557abef765a0991c4ef3f544b47...
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.