OpenTechnical

OT-2026-000102325

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102325) never changes.

Identity and time

Publication numberOT-2026-000102325 · never reused
Internal UUID01a0aea4-50f4-7ba4-a5e4-d7fdc0256843 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102325
StatusPUBLIC

Content hashes

Canonical textfe30e3ac47278c570232d04fae5b5474350ec37384e96e8e87fc0ab799bf7d79
Markdown8ea084345fc447a2c91e258b2e9799513545c952581bef689ad5a13dbc09e76d
PDF
Publication pagee728d643df8287763ee58d414b7be824dc25988e0524ce83507a7dcf23126d06
Manifest05f5f98a2196ee6445e435dfe16168015aceae8df8fd0802f4d2b2c7fff61993

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
SignatureQXflbp5c2NoBtDFKmrolTtoTagcD1JuLmxhHXOzmDjfXE9HRy5kF49je+finQT3s38vZlkjPhXrhELZriVdOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:31.737231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102325
observed e728d643df8287763ee58d414b7be824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.718462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102325/manifest.json
observed 05f5f98a2196ee6445e435dfe1616801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.698761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102325/publication.md
observed 8ea084345fc447a2c91e258b2e979951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.676714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102325/publication.txt
observed fe30e3ac47278c570232d04fae5b5474...
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.