OpenTechnical

OT-2026-000036867

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036867) never changes.

Identity and time

Publication numberOT-2026-000036867 · never reused
Internal UUID01a0ae77-773e-7c7e-bda1-561e889c09e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036867
StatusPUBLIC

Content hashes

Canonical textd21ce98217de02c2d8f06cf1225b587c98354cf7d9d0cb7227574c1dd0d2b23d
Markdown74be996a2cd89ca3fe2e776bc196260118c6d0b2c1a6ad5ccfed0db951a98e7c
PDF
Publication page9f2a915e5d8c7d9e63506a979f67a603909657188c90755d2b342560ba454e11
Manifest6c0b88c09ba187c7c30b10198fc9a0b95250ad823283c72aa3f4dd9361e2f188

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
SignaturenCPcRcKveSx3BKk3Gs0RwK1szh8TNY71XyQmvP/vHycg2IlfRbAc2YC3Efh3FasW/+5W3leNn63jsSE/ep0HCw==
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

2026-09-17T11:24:29.928678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036867
observed 9f2a915e5d8c7d9e63506a979f67a603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.911537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036867/manifest.json
observed 6c0b88c09ba187c7c30b10198fc9a0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.894132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036867/publication.md
observed 74be996a2cd89ca3fe2e776bc1962601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:29.877005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036867/publication.txt
observed d21ce98217de02c2d8f06cf1225b587c...
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.