OpenTechnical

OT-2026-000015686

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000015686) never changes.

Identity and time

Publication numberOT-2026-000015686 · never reused
Internal UUID01a0ae6e-0c4b-795b-bc79-32771f2b35a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015686
StatusPUBLIC

Content hashes

Canonical text5824fc36ac38ee0ac6f049f5e03656164973ae911bd0cd1a90d7ee60f19e1721
Markdownca0ca8445b55c1692e10624f8f518b9fb3a2c7054eb182b11714c5c112cd391a
PDF
Publication page5f494558c2741ce71c26f5d79a4867cfc3ebe7c5bdea76d1b35eeacb8bec738c
Manifest9cc2f58fad72bc5f882522fad9391724e8f525df7ffa5d359126b234a03e9e27

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
SignatureSDWn/ZCEH3o7DvYdWKsuwJyIBuy4paJ0jG+GDLZBuHn6cLSGkKvldW1kmUTIfGXonF+bf4KD54TOeizfP7baCQ==
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

2026-09-17T12:04:57.583230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015686
observed 5f494558c2741ce71c26f5d79a4867cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.564765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015686/manifest.json
observed 9cc2f58fad72bc5f882522fad9391724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.545234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015686/publication.md
observed ca0ca8445b55c1692e10624f8f518b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.528147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015686/publication.txt
observed 5824fc36ac38ee0ac6f049f5e0365616...
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.