OpenTechnical

OT-2026-000068590

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068590) never changes.

Identity and time

Publication numberOT-2026-000068590 · never reused
Internal UUID01a0ae90-2482-7966-906c-7e7b575096bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068590
StatusPUBLIC

Content hashes

Canonical text3cdf0ad1da61e3d8e9973b6b167361ae043f58287f1b2008b568b76a9b669980
Markdowne59853b7781226b798cc96208be4be7efca2c93ce699867a75bcaae4374cb95e
PDF
Publication page994c2afc9869ec5cc2eb3b5c77891739669d08bb90769efe3fcb284cbed10e24
Manifestf7b09081c1c35805f4afa6efd710112d646eac9d96f58bc6ae3a412845a6b3af

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
SignaturexSq5+v5n1W/hkrY1BcBxbsM+PhzeH7G4xUAdqQmZSzfOp4meENhO4cZw3CFmQ/vzXeByyaxrlBkYQu04yOcECQ==
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

2026-09-17T10:29:46.024518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068590
observed 994c2afc9869ec5cc2eb3b5c77891739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:46.003208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068590/manifest.json
observed f7b09081c1c35805f4afa6efd710112d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.986555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068590/publication.md
observed e59853b7781226b798cc96208be4be7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:45.969999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068590/publication.txt
observed 3cdf0ad1da61e3d8e9973b6b167361ae...
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.