OpenTechnical

OT-2026-000011579

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000011579) never changes.

Identity and time

Publication numberOT-2026-000011579 · never reused
Internal UUID01a0ae6c-8900-7651-b87e-d01b52b734db · 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-2026-000011579
StatusPUBLIC

Content hashes

Canonical text383c0a093f1907f353a3ed2499f58a22eac8c63db174514d9ba5052acb8b03a7
Markdown1f5cfdd851e623133a655524368915e64a8ea240182d45ad887146ed425b84dd
PDF
Publication page2056eefb9042045ec719acde65a9381bfe9257dfd4f87125609895272f9793ae
Manifestc6cc1e99a043a000df77521bdccb1c3078f04b8b0f723b39c2930effa53313cb

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
Signature8hFFYcuVesCOhn3tmSh1gb74Vg2IsjrVBImAx5XQgYf+nUCSLoSKWpioxyKh97FelTA04zK0FIlnIdMw99YOBQ==
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

2026-09-17T12:13:28.818568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011579
observed 2056eefb9042045ec719acde65a9381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.800335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011579/manifest.json
observed c6cc1e99a043a000df77521bdccb1c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.781791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011579/publication.md
observed 1f5cfdd851e623133a655524368915e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.763248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011579/publication.txt
observed 383c0a093f1907f353a3ed2499f58a22...
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.