OpenTechnical

OT-2026-000012999

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000012999) never changes.

Identity and time

Publication numberOT-2026-000012999 · never reused
Internal UUID01a0ae6d-5564-73b7-bf4d-45799d0b1fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012999
StatusPUBLIC

Content hashes

Canonical text81d3a4afd5bf46a3b17350346be1167e7fc33531f55f451acf49926093276d6f
Markdown38bb9404a2ba78fd5ddc5b1fa3f4f3bc49fe3293a473248a4959531c68262849
PDF
Publication pagee69210b54c81283d92945c66c79ad17baa8a51429141ab5e9de1153a3b0f1afe
Manifest1a92cea20f86919e566e863f06cb494832d00fef66bde81b03f034d31b45ac71

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
SignatureSTznV8LykmmFBvyhPvVJVQEFXiDnqFCyQ2gyjgODpYEsYZejfkf/Ty8Z4LeeTyBuhbdcSexrYgwnpe+jZFYtCQ==
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

2026-09-17T12:10:49.238410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012999
observed e69210b54c81283d92945c66c79ad17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.220506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012999/manifest.json
observed 1a92cea20f86919e566e863f06cb4948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.196015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012999/publication.md
observed 38bb9404a2ba78fd5ddc5b1fa3f4f3bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.177583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012999/publication.txt
observed 81d3a4afd5bf46a3b17350346be1167e...
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.