OpenTechnical

OT-2026-000041519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000041519) never changes.

Identity and time

Publication numberOT-2026-000041519 · never reused
Internal UUID01a0ae79-e89f-79b8-ba27-57283bd71fe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041519
StatusPUBLIC

Content hashes

Canonical texta2b7e21de3392cd4734b007548427f357995972ddcf2478fc99fc55dca0b34ab
Markdown4be813874c5cbb43a08513ee1b8cf369cdbcd6ec97c86000aed1a55a724ed809
PDF
Publication paged5bc6114256be774bc1dece9e547aa5b12e2b1eba6d2120b9d13bdc4ff17e85e
Manifest63f7e65cf4036d1c8a56c0a3214cd3f164debe7a11ef8100a8cd52464578b5c1

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
SignatureMLpeyD3jIwFr/XU7mOwpgZ/7bgdp7j5gHZpamD0PIIZV/U9oO3bos39MYE9BcDztVNUDRbOpWlUJZaVbEBjmDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:17.347782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041519
observed d5bc6114256be774bc1dece9e547aa5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.329971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041519/manifest.json
observed 63f7e65cf4036d1c8a56c0a3214cd3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.311182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041519/publication.md
observed 4be813874c5cbb43a08513ee1b8cf369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.293651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041519/publication.txt
observed a2b7e21de3392cd4734b007548427f35...
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.