OpenTechnical

OT-2026-000004926

Publication integrity record

Vacuum cup gripper, three outlet manifold, ejector fed, pressure verified

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-2026-000004926) never changes.

Identity and time

Publication numberOT-2026-000004926 · never reused
Internal UUID01a0a928-0d01-748d-92bb-f153149507ba · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:39:29.412801Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004926
StatusPUBLIC

Content hashes

Canonical text5a27a1a457bf2017d4681a2675e9c17846b675ff248631a1708d4208fe212b2c
Markdowncd07f049890cfab80cce5381ddfaf3b4b27ff20fda2b97d9684eb5b81e18e698
PDF
Publication page305eeca87a4e568c7d26a88528e796a1aa292461b4ed6ac671fbe3d7c7facf37
Manifestaa7ae23d106fb00394c204e4717ab579b3ea24863b330e43fa766f962f7ea1f9

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/ZG6wfVIhJcBD3BW0UXHtzedW+KqPOA4C/O1d6o5rLPtXJBU/54Wq+8cY7rBe0rF/NXSQWdcVt6N2hbfO3MdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:03.959609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004926
observed 305eeca87a4e568c7d26a88528e796a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.947765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004926/manifest.json
observed aa7ae23d106fb00394c204e4717ab579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.935433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004926/publication.md
observed cd07f049890cfab80cce5381ddfaf3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:03.923307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004926/publication.txt
observed 5a27a1a457bf2017d4681a2675e9c178...
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.