OpenTechnical

OT-2026-000019982

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000019982) never changes.

Identity and time

Publication numberOT-2026-000019982 · never reused
Internal UUID01a0ae6f-1fb7-70c2-bbb3-fa8ffb8a8a92 · 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-2026-000019982
StatusPUBLIC

Content hashes

Canonical text7b45aa2623e9943c40050965bea4764b394a5d5f25d7602b5cdf521f1a1157ef
Markdown4580bd417b4ad81405c3eef1ede0e4329f9dbe49a6381a5ed9a70ef1dde79125
PDF
Publication paged3b45ab008b3a6a2cda8e856ee59b3c8b8efe25cae1a617411e5411cc979713f
Manifestbbdd8f62d22f53a799888547ec8e637232936d450e1fb9a995d5df3c26d6ab5c

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
SignatureJQea+J43LIJN4eXCuiHq+TJTOqUOWrefdlq+Cc9hx9EyFnndTwMb/+CaY/BDH47yHNivMPCT30L/NRs9+WTXDw==
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

2026-09-17T11:58:13.337676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019982
observed d3b45ab008b3a6a2cda8e856ee59b3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.321082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019982/manifest.json
observed bbdd8f62d22f53a799888547ec8e6372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.302254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019982/publication.md
observed 4580bd417b4ad81405c3eef1ede0e432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.282966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019982/publication.txt
observed 7b45aa2623e9943c40050965bea4764b...
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.