OpenTechnical

OT-2026-000084513

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained 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-2026-000084513) never changes.

Identity and time

Publication numberOT-2026-000084513 · never reused
Internal UUID01a0ae98-e25a-74eb-9384-28cb6cb5201e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084513
StatusPUBLIC

Content hashes

Canonical text3143b71f19dba5b3795f29ed323827191d89e4b853677e54dc6dc7c58453c61a
Markdown8e767dab55f32f6dfd28e4222f2488a18db252a05f3ef829fcb3cf05fa09c3bd
PDF
Publication page40a114f3398450505c0a734abc1a9634324cb1d6151cd92bf24296fc2d64e5e5
Manifest37534cffbc1abac55edb5f3a573e450900978772281d1e1fc38b64ac2da65dcf

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
Signatureh9lkCer3YXhFw6qUdxd3CwVRxRBzjTdjxhYA6zAKmZ+mGnPKp0arikD59vKzPdE0u0TrEwDu5DDGt+GJuRQyBQ==
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

2026-09-17T09:55:23.468193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084513
observed 40a114f3398450505c0a734abc1a9634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.450972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084513/manifest.json
observed 37534cffbc1abac55edb5f3a573e4509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.430599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084513/publication.md
observed 8e767dab55f32f6dfd28e4222f2488a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.411735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084513/publication.txt
observed 3143b71f19dba5b3795f29ed32382719...
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.