OpenTechnical

OT-2026-000014828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000014828) never changes.

Identity and time

Publication numberOT-2026-000014828 · never reused
Internal UUID01a0ae6d-d094-74cd-8d3a-2df1b45c702f · 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-2026-000014828
StatusPUBLIC

Content hashes

Canonical text9fac35dacfe6dbcdcfc0adc8a6569619d0c8a4e68e57fe7745dbcb9dc01e7373
Markdownc9cdef5344fb0af7ba0b308f81a12c4356ed3169296fb801fe1cc00f91851ced
PDF
Publication page08c574bdf227e0d32f82f82c01982775cabc9451b38fc5a4ae87d3a923fd64ea
Manifestfea9fd2790b6933df5a8cf4aa59273f172de3cdd79815b3f3df4c752da0f2190

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
SignatureDuE8WQ4t7vrWMIZYH6buETteM2LC8fpvpP4Oxa9H0Kd+qaTVyvRdN7f4NEd8oZxN/XLgEzl51NqpjyLU28G4Bw==
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

2026-09-17T12:06:44.040095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014828
observed 08c574bdf227e0d32f82f82c01982775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.939953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014828/manifest.json
observed fea9fd2790b6933df5a8cf4aa59273f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.917822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014828/publication.md
observed c9cdef5344fb0af7ba0b308f81a12c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.870039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014828/publication.txt
observed 9fac35dacfe6dbcdcfc0adc8a6569619...
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.