OpenTechnical

OT-2026-000014915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000014915) never changes.

Identity and time

Publication numberOT-2026-000014915 · never reused
Internal UUID01a0ae6d-d095-79dd-ab01-96f084fe68de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014915
StatusPUBLIC

Content hashes

Canonical text78a65fdcc02d1eb2a4fecdea018882d0a8a570c92c5c2df13fdc3ffd22d99dbc
Markdown3f53e64aaad2869ce2c3d62c005e83863a27b600246fd43dddbc7c76eb37ae10
PDF
Publication pageb81ed5e405a14156b370552a19691be923f90b0d1a292617e0cbe9138851b130
Manifest4e9d48018751dc4b05474e5d215b4e9340630eca2c59710d82b0446200613278

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
SignatureCIkaOUd9fXK3dEjyfjjD1/TFU8cJ19P+mEi5kh8TLeyor1tm/K6+FExLSQWCbRdCo93FgJX10d4NNlo6js0JAw==
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

2026-09-17T12:06:51.159159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014915
observed b81ed5e405a14156b370552a19691be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.141685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014915/manifest.json
observed 4e9d48018751dc4b05474e5d215b4e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.123167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014915/publication.md
observed 3f53e64aaad2869ce2c3d62c005e8386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.103644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014915/publication.txt
observed 78a65fdcc02d1eb2a4fecdea018882d0...
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.