OpenTechnical

OT-2026-000011425

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000011425) never changes.

Identity and time

Publication numberOT-2026-000011425 · never reused
Internal UUID01a0ae6c-88fe-745f-903b-fee5ac51dc3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011425
StatusPUBLIC

Content hashes

Canonical textef8c75728d574dbc61212a85be47df79d91abc88411cc7aef2a1a70813e9160a
Markdown5af7c0b5883e60ca1e014d5e99e867d1c791c58e5e3a60020ec813e70394d924
PDF
Publication pagea3f75de96033d99e1da81135b8118eb96d8b8744a24282701932cad457ac654a
Manifest07e7870aa818a0a61871b95e8c38b50360921949a756e935c2007dcb97ad1b06

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
SignatureL0xx5qi/dwghd/pg7xLT8a5yb9YEbVg6+0Ii8BWC2dxIZ3XosgBmd6+NLvXofJviA1H/hLgmJZu3HuXFSyP3DA==
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

2026-09-17T12:13:10.868171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011425
observed a3f75de96033d99e1da81135b8118eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.849452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011425/manifest.json
observed 07e7870aa818a0a61871b95e8c38b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.827467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011425/publication.md
observed 5af7c0b5883e60ca1e014d5e99e867d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:10.808565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011425/publication.txt
observed ef8c75728d574dbc61212a85be47df79...
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.