OpenTechnical

OT-2026-000014847

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014847) never changes.

Identity and time

Publication numberOT-2026-000014847 · never reused
Internal UUID01a0ae6d-d094-760b-985d-fcdf6b71282b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014847
StatusPUBLIC

Content hashes

Canonical text9bda933f3a0bdcc0be2a3994f87e1293a2080d79c29e03fd874ad0bef8981037
Markdown4f28e558ab1a41c6bb6a716c93f9b3b4b1d2c1f3b2208fca7308455d97926d01
PDF
Publication pageb0e9c135cc790f905708bbad32f79ef500e5d188ed0b43e1574abcd75f572589
Manifestc8e22ba230211bdf4aee628a054daedb8e5d6fcd46c731841d86effe697ed90e

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
SignaturecHmQeWFeXT2/Tqn1YZARJv2dhhRp1kpXcZjFKyIzbobDlKgQtYwe/1dL+a8v2qBPFfTeooZe53xgf1CLQ/UECw==
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

2026-09-17T12:06:45.547287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014847
observed b0e9c135cc790f905708bbad32f79ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.528828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014847/manifest.json
observed c8e22ba230211bdf4aee628a054daedb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.510500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014847/publication.md
observed 4f28e558ab1a41c6bb6a716c93f9b3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:45.491354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014847/publication.txt
observed 9bda933f3a0bdcc0be2a3994f87e1293...
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.