OpenTechnical

OT-2026-000013252

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000013252) never changes.

Identity and time

Publication numberOT-2026-000013252 · never reused
Internal UUID01a0ae6d-6fc9-73f8-a9dd-b787573f932e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013252
StatusPUBLIC

Content hashes

Canonical text721913569a6ef0eb320d92a50574b1107434d4f267b6f6e7cfa294344621b740
Markdownbcb1dd004531073844be06e06dda7d28215603a75ca4868fe1b2411a87650dff
PDF
Publication pagee25172777c4585efd3a93e38f9e230e54093d48501c59ec613014709d208da0c
Manifest2201269e1599a008df47fbf29af53585e81ee45e31f96da4a68d9119d3b87f44

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
Signature/YCpefrLzZHrLZy7uTgWyS9MiBHHHSkNONuoTM4snB9ZOsc7tvyRe5UmONJcfla415U4PWyf4w3wWvoFZCqgAA==
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

2026-09-17T12:09:39.471890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013252
observed e25172777c4585efd3a93e38f9e230e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.450903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013252/manifest.json
observed 2201269e1599a008df47fbf29af53585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.429927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013252/publication.md
observed bcb1dd004531073844be06e06dda7d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:39.410146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013252/publication.txt
observed 721913569a6ef0eb320d92a50574b110...
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.