OpenTechnical

OT-2026-000030315

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030315) never changes.

Identity and time

Publication numberOT-2026-000030315 · never reused
Internal UUID01a0ae73-e501-7bdb-852e-6bb0fd8ba433 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030315
StatusPUBLIC

Content hashes

Canonical text770ed0ab518c2663138131e53d6ae78578d1ec55b852dac38e4a5b9b8a3b29d0
Markdown830cf7bb184de35dba539d255360096ecc917a27e365a06942157c2f9421ecd9
PDF
Publication pagea8e18a1ed3eb83a26f8aabdd76b64008927a0b88ad08992b773531f72060c8a9
Manifest7347f1a128c9e50b1b2c3f4601e616ff94367286a6baeb5bd94b399fe2f46ddc

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
Signature5wd6dAWM6k7IKM7fY8G5DtSU0EmKuREG+Zg6v6UQ3Xou8K0XnQY/49NeYo7hYfHJAWHYeFO+Rfhe5L2+rTWhDw==
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

2026-09-17T11:38:01.229373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030315
observed a8e18a1ed3eb83a26f8aabdd76b64008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.204638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030315/manifest.json
observed 7347f1a128c9e50b1b2c3f4601e616ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.186363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030315/publication.md
observed 830cf7bb184de35dba539d255360096e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.168269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030315/publication.txt
observed 770ed0ab518c2663138131e53d6ae785...
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.