OpenTechnical

OT-2026-000056723

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000056723) never changes.

Identity and time

Publication numberOT-2026-000056723 · never reused
Internal UUID01a0ae87-7af6-712f-acc0-8b15a01006ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056723
StatusPUBLIC

Content hashes

Canonical textedb8edab7d6f0879c118988741fe1c70b047d24bc651a4a89c048085bbe5c4f0
Markdownd7460aa2b23468d3c7cd6ef186e3e4eb9923e092e1c4a307858a22f086cb5f76
PDF
Publication page87c53f6e95bbf56e3f2122647217b7d68276d86db7acd552aa85eb0d3b1b3f3a
Manifest18a16ab83b3b93ee78279869a4a19b1f7596d75b84ce60bb57150b4a2802c30b

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
Signatureog9TnVre1Kxmw/q3ld94OeZB5ZqqIJMe7FD7MlUjL4cT3yUwV+IuLzx+mjvYDq4/8v8OfWSaMNJ1hpY33CTqCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:09.501464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056723
observed 87c53f6e95bbf56e3f2122647217b7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.480663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056723/manifest.json
observed 18a16ab83b3b93ee78279869a4a19b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.462531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056723/publication.md
observed d7460aa2b23468d3c7cd6ef186e3e4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.445824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056723/publication.txt
observed edb8edab7d6f0879c118988741fe1c70...
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.