OpenTechnical

OT-2026-000011589

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000011589) never changes.

Identity and time

Publication numberOT-2026-000011589 · never reused
Internal UUID01a0ae6c-8900-734c-b8b8-845824af2599 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011589
StatusPUBLIC

Content hashes

Canonical text4aed4e20446c0a7836f089a9b78a6f6ad7e776d672386925fd940bc6258214df
Markdownff8e1f8156fb6110cb825c1a92df95a36ef8fa1760eed6a66ba8c4c7bef90ce2
PDF
Publication pagea56803f354312bf27fa7b8cab14622598ce29eba88b5f47bcd49aa57c33e4e3c
Manifest0ec75140318c3d78972b6d584d4af486f9e8517f25e13ed0587ee55bf62fbe0c

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
SignatureeKH0+nhGDTbVIRAvwHx/2VHy7S/QpDeShFIdSqhAtxt2xx2cLPQzpjqcBzbTuX81Bpwykn1adboCIi39dzyaAg==
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

2026-09-17T12:13:29.589505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011589
observed a56803f354312bf27fa7b8cab1462259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.570928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011589/manifest.json
observed 0ec75140318c3d78972b6d584d4af486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.552948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011589/publication.md
observed ff8e1f8156fb6110cb825c1a92df95a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.533451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011589/publication.txt
observed 4aed4e20446c0a7836f089a9b78a6f6a...
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.