OpenTechnical

OT-2026-000014471

Publication integrity record

Two cup vacuum gripper, two 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-2026-000014471) never changes.

Identity and time

Publication numberOT-2026-000014471 · never reused
Internal UUID01a0ae6d-b27b-79a3-86b0-5abcfce26fe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014471
StatusPUBLIC

Content hashes

Canonical text905a091cf071cea0a9dd290d4b0e9b38c32972b35b5d803c327f75f61bd208a1
Markdownb8fb5965cd7994c4ecbcc3a757a10ed9ea16ef38c34fe496b23c25c8581dfc49
PDF
Publication page4f1ca494cf1070f4537e20db010bdd4c403554d67f1a7a5a6816d0a8d60756ac
Manifestd05c9b87088ce5bb06c113b52d0e4e4ce979c58a2584163d3a06e0f33ab1e1c3

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
SignaturetmpCCe3t55P1qZHTeIJN4KQEcmfDAbrqkT6UXiSw5ivZe4kB3PWAi5ZXdw5T1j+rFfRWxQldJUS8sK+exX5dCQ==
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

2026-09-17T12:10:16.950525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471
observed 4f1ca494cf1070f4537e20db010bdd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.930264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/manifest.json
observed d05c9b87088ce5bb06c113b52d0e4e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.911159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/publication.md
observed b8fb5965cd7994c4ecbcc3a757a10ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.892213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/publication.txt
observed 905a091cf071cea0a9dd290d4b0e9b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.137901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471
observed 4f1ca494cf1070f4537e20db010bdd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.120245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/manifest.json
observed d05c9b87088ce5bb06c113b52d0e4e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.101892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/publication.md
observed b8fb5965cd7994c4ecbcc3a757a10ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.085515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014471/publication.txt
observed 905a091cf071cea0a9dd290d4b0e9b38...
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.