OpenTechnical

OT-2026-000017507

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000017507) never changes.

Identity and time

Publication numberOT-2026-000017507 · never reused
Internal UUID01a0ae6e-76ca-702b-948f-6cffe71a44c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017507
StatusPUBLIC

Content hashes

Canonical text76c3f3b190933a4346832402d2faa24ccceb49c0e429c4ac622406ad79fc162c
Markdowna7a68375d4111fb455b8175fddd4a332544becf2702dd67eadca3af5b4771a8c
PDF
Publication paged7ec62dc0421a1af8c0e6b8b7ea4b717aa9dfcbab4be71e313c593390d873ad3
Manifest7a166612bc45f3cf99c3d4bd3a08be77bd2d5345de6a8da567d98d1a69ac6089

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
SignaturevoO+/+k5vHIaj1JSsGzNmiNkM8CNey2OTu+IcQSnK/O0rXlKNjnoOpEFCTAdKh6di6Iqwa5vgUxOMG5MnILLAg==
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

2026-09-17T12:02:39.757652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017507
observed d7ec62dc0421a1af8c0e6b8b7ea4b717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.741558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017507/manifest.json
observed 7a166612bc45f3cf99c3d4bd3a08be77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.724358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017507/publication.md
observed a7a68375d4111fb455b8175fddd4a332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.708521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017507/publication.txt
observed 76c3f3b190933a4346832402d2faa24c...
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.