OpenTechnical

OT-2026-000012124

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000012124) never changes.

Identity and time

Publication numberOT-2026-000012124 · never reused
Internal UUID01a0ae6d-39f4-75b6-99c9-b37a4886c441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012124
StatusPUBLIC

Content hashes

Canonical texte7230ee78ce63fe161740026770c63b4479196e5b22c532ec296828bb8aa08c5
Markdown1dbbe1fee7413538d4c9f836265193d65c0ddd5afdbbb5ba067c5562050e4277
PDF
Publication page7f02b9b99ee5815423b01f4449f3b1cdcaa48ffadb3a30c28eb17a34d3520127
Manifest7e7c7873d4b5a4de5ea2debc27e0e122f09f02d0bb05a6b0d67fa37863125c9e

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
SignatureXYv8l+3/3Eiw0CSpmNnv1xf6wU/3BvSqPpeItwpKfnzhn048xFlqgmIjZ1G/rg+lc7bbVoTjGcIghbREQernCA==
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

2026-09-17T12:11:00.480143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012124
observed 7f02b9b99ee5815423b01f4449f3b1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.460309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012124/manifest.json
observed 7e7c7873d4b5a4de5ea2debc27e0e122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.439980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012124/publication.md
observed 1dbbe1fee7413538d4c9f836265193d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.419207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012124/publication.txt
observed e7230ee78ce63fe161740026770c63b4...
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.