OpenTechnical

OT-2026-000018471

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000018471) never changes.

Identity and time

Publication numberOT-2026-000018471 · never reused
Internal UUID01a0ae6e-b48a-700b-af54-4a0fdc7f8f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018471
StatusPUBLIC

Content hashes

Canonical texte5e9f6996aa0c166c86edbad1815fa3a7d167c41cf175b0a618289dcae013310
Markdown1a5b9951ba7db13421539edd93600d907f9da28e4e24aeb7a3c27633d157596b
PDF
Publication page6b5f0b15f7feec761695b131d4a5c843def374ce00297740401e8f7846fbfc30
Manifestf475b35900192c421fb583cc0525e3ca46022c1ef019117be3a321347b453193

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
SignatureZ9LStP18Rwo2XNSjEQuyXz9lIhWd1FnO2TgHSr1OL876NnXq0iEZIRx2Qvw1ejbpuvhHsVydz3GN3U0g683VCg==
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

2026-09-17T12:01:14.136261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018471
observed 6b5f0b15f7feec761695b131d4a5c843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.115747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018471/manifest.json
observed f475b35900192c421fb583cc0525e3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.098168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018471/publication.md
observed 1a5b9951ba7db13421539edd93600d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.008955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018471/publication.txt
observed e5e9f6996aa0c166c86edbad1815fa3a...
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.