OpenTechnical

OT-2026-000082904

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000082904) never changes.

Identity and time

Publication numberOT-2026-000082904 · never reused
Internal UUID01a0ae97-8cca-7a1a-b5f7-5235dc736ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082904
StatusPUBLIC

Content hashes

Canonical text6de621672b4eaf2c0b352ff1c8cd1ee2145ac5137a231bd072f16a93cb382084
Markdownff8277a2ff02b8b30dc643a0d99307b6ee0318892500edb87508fdb8259efa7b
PDF
Publication pagea34ef4860f9905b36158c46991354e8c52e987aee3cddd7d18cb0d173d2b31bb
Manifest07dcbff49dd076db1aff5d6d54bffd447a4023ab8ea8676402e14a23ebb32e04

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
SignatureUzG4xDbJsMmtnsldJ5E8m5cSvtsTczuy7NsEx5TvDJO9BasN75pvBiqYBvlVHNOTVtf79QweRRJUMih5SSUpCA==
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

2026-09-17T09:58:35.542309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082904
observed a34ef4860f9905b36158c46991354e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.524770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082904/manifest.json
observed 07dcbff49dd076db1aff5d6d54bffd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.507989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082904/publication.md
observed ff8277a2ff02b8b30dc643a0d99307b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:35.489938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082904/publication.txt
observed 6de621672b4eaf2c0b352ff1c8cd1ee2...
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.