OpenTechnical

OT-2026-000066423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000066423) never changes.

Identity and time

Publication numberOT-2026-000066423 · never reused
Internal UUID01a0ae8e-ce40-7718-aab9-029bc6f5261b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066423
StatusPUBLIC

Content hashes

Canonical text4447ece9383297c7a02329a8c57465c0eb71bed7ee91deaf6ecbc544ba94cb99
Markdown2e258990b572052a72fbfe8ef20d1cd82a42eb6b0c0cb699aa9c27a337e810b2
PDF
Publication page186bba7cb1f844e23a65a4ee985d6c82f8a16c1a6d120dab67d7587eede73042
Manifesta50727d5f74ac35f2d862e694ffaec788d8a1f21e39823dfb286b2de2caf5c5a

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
SignaturelrTJj5BqvEv9UnHu/E5+9BYh+gGxe246VRoUC7SQBD//m5xFmiPBFsWVyGK7bUglPOiPpJT2xSshG8xRHiMECA==
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

2026-09-17T10:32:39.843443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066423
observed 186bba7cb1f844e23a65a4ee985d6c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.826772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066423/manifest.json
observed a50727d5f74ac35f2d862e694ffaec78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.809492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066423/publication.md
observed 2e258990b572052a72fbfe8ef20d1cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.791521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066423/publication.txt
observed 4447ece9383297c7a02329a8c57465c0...
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.