OpenTechnical

OT-2026-000019617

Publication integrity record

Two cup vacuum gripper, two 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-2026-000019617) never changes.

Identity and time

Publication numberOT-2026-000019617 · never reused
Internal UUID01a0ae6f-1fb2-7a7c-804c-d62de3f14c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019617
StatusPUBLIC

Content hashes

Canonical textd7e76348e93e0da9744841d9fcfbdeac36bc9739b1d6a96041396632c7a4bd41
Markdowneb4e702844ddb2e1af12d82a1d476215bdd67fce6e19bb87003408ed247367cd
PDF
Publication page927ac8f1f0cd8998cbc04203cbe396fbad84ff8563cd5778421892f958e2791c
Manifesta237348bb7982185812bcfdcddafe467cf4746668ea3276cd60a528b5eb412cd

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
Signatureh+Sf+AexRZb54ctFJjcAzEEOFu7HLWTrYGI8yZ7KskuNDYGfd+i45otq9LGhpqLakffeJUJtQZqig46Td8p3BA==
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

2026-09-17T12:00:45.699790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617
observed 927ac8f1f0cd8998cbc04203cbe396fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.682299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/manifest.json
observed a237348bb7982185812bcfdcddafe467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.663805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/publication.md
observed eb4e702844ddb2e1af12d82a1d476215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.644745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/publication.txt
observed d7e76348e93e0da9744841d9fcfbdeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.217255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617
observed 927ac8f1f0cd8998cbc04203cbe396fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.197208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/manifest.json
observed a237348bb7982185812bcfdcddafe467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.178213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/publication.md
observed eb4e702844ddb2e1af12d82a1d476215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.160168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019617/publication.txt
observed d7e76348e93e0da9744841d9fcfbdeac...
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.