OpenTechnical

OT-2026-000078427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078427) never changes.

Identity and time

Publication numberOT-2026-000078427 · never reused
Internal UUID01a0ae95-7c28-7ba3-85d3-3c9381fa8204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078427
StatusPUBLIC

Content hashes

Canonical text74d5e8faf2fd7c6783a981e7d781e76a224cc98fd19bf4407b8e41be3b6ace07
Markdown26cae1c4df980c5c95d64975b8a274d0cb4281a75eebc43b0a27d830f6773c5a
PDF
Publication pageb4f6fb6a0290dba033e24083d3310e2b07fcc4ff0ee32c97249b8b8d36e17d7b
Manifest0760a5aa3e3094d0de86f7d94aa34bfd0f4385e0ae51cf92ba23fe05e0c55021

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
SignatureMUMKVj3OBwQR3SQKWZ6BdhEle1EuaM0JjJAldqBvzXihsIL05ZX/HHAYSxVHodURJtU+No2hixbFPQiPMRNyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:25.444893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078427
observed b4f6fb6a0290dba033e24083d3310e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.428104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078427/manifest.json
observed 0760a5aa3e3094d0de86f7d94aa34bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.409381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078427/publication.md
observed 26cae1c4df980c5c95d64975b8a274d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.390441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078427/publication.txt
observed 74d5e8faf2fd7c6783a981e7d781e76a...
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.