OpenTechnical

OT-2026-000028608

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000028608) never changes.

Identity and time

Publication numberOT-2026-000028608 · never reused
Internal UUID01a0ae72-e2f9-75cc-81f3-405fa60ac4f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028608
StatusPUBLIC

Content hashes

Canonical text0ab3c178f3d9e5a70dabe6e16c31c2438ae828b92ec87fb87590cb55a84141d2
Markdown7ae5211a2a24c70d9a431794da9a0e904a52de008ec3c3ff1893a31c7087815f
PDF
Publication page24198278bbd6edfced95b0923c75a0a2b2bcf5783abbae89a85234b0a5968c5c
Manifesta927843a60c29cd6bbf74b89a0723a8f2324c00359763e2c01c488c258e710b4

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
Signature6yIlS/SejASkaodn8SbxOvyVeiNC05I6S5rdbhRzNRv5l67j3Af9ksRvjDfinRrPbFEMlLjK17iijSA9cGXpCw==
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

2026-09-17T11:41:28.136609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028608
observed 24198278bbd6edfced95b0923c75a0a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.116828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028608/manifest.json
observed a927843a60c29cd6bbf74b89a0723a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.098295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028608/publication.md
observed 7ae5211a2a24c70d9a431794da9a0e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:28.078564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028608/publication.txt
observed 0ab3c178f3d9e5a70dabe6e16c31c243...
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.