OpenTechnical

OT-2026-000104392

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000104392) never changes.

Identity and time

Publication numberOT-2026-000104392 · never reused
Internal UUID01a0aea5-3421-75c8-a600-7746449a2556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104392
StatusPUBLIC

Content hashes

Canonical text923dc139f4b0b8fe147417ac8afdce77a36b95deb29f9089c1abcde33d814f97
Markdownbf23482e5439589e28cd6f2a8e7b48fc436d86ed0da938fe6f9d5bb4fefee13a
PDF
Publication page248c20869e851a2615eba4d39944961674bc9ecfa56062b646b30f8b4e946df7
Manifest6eb24a4e492a10b3cc6d63d8e9ca56c5b19b2967c5d2c63b9e72d3ed39bc7146

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
SignatureQdHUjS9iTwW056EbinEXPBjNw0ZrhAIw46Hz57rPKUHKByAgR5djs9Kv9th1Q9W9uEIdM7PxM1fqpwErJ8UbDA==
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

2026-09-17T09:21:39.556301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104392
observed 248c20869e851a2615eba4d399449616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.538055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104392/manifest.json
observed 6eb24a4e492a10b3cc6d63d8e9ca56c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.519556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104392/publication.md
observed bf23482e5439589e28cd6f2a8e7b48fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.502484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104392/publication.txt
observed 923dc139f4b0b8fe147417ac8afdce77...
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.