OpenTechnical

OT-2026-000026109

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000026109) never changes.

Identity and time

Publication numberOT-2026-000026109 · never reused
Internal UUID01a0ae71-a840-7d19-891d-0171b170f937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026109
StatusPUBLIC

Content hashes

Canonical textd6e8de693fffc6b05f8eda901d60b7b3ea78b0da7f69997f36f678cf8a2fa772
Markdown3ed41b1637866b3521ec7df6102bfdfd09d2ab0b3b4ab8861e2db07a0e886f9e
PDF
Publication page6252c67230158e4a91064fb5a33f6df588a51045b7512dc04edc79d376e0bcd6
Manifest55bc996c1f7d7e1f5a51eb3c9b9d23000222536c540388b02db6a7ecd7c14ece

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
Signature09+8BpBke/V0dBia3vVVDPjfHJ1ANKou80YNe2YOSo6zL6l8bSFzjqdfKddjTGMPPfEefVGJvlu0BJ7NXeihAQ==
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

2026-09-17T11:46:36.664286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026109
observed 6252c67230158e4a91064fb5a33f6df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.647095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026109/manifest.json
observed 55bc996c1f7d7e1f5a51eb3c9b9d2300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.629111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026109/publication.md
observed 3ed41b1637866b3521ec7df6102bfdfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.608863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026109/publication.txt
observed d6e8de693fffc6b05f8eda901d60b7b3...
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.