OpenTechnical

OT-2026-000098773

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000098773) never changes.

Identity and time

Publication numberOT-2026-000098773 · never reused
Internal UUID01a0aea2-42af-792d-81ba-c8d178ae46f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098773
StatusPUBLIC

Content hashes

Canonical textd2f2ea0bd46dbe9d95d5007225b9dd85e76265d26fe3d9f3ebd34b45f4e4286f
Markdown97babea659d9fccfa1253950d7457968ba86af021dcd4f306386acaa0f9c8c8f
PDF
Publication page62fb5c8a6395a14f12915feaa57c16cd61edbe6b8ac00fbb65ae46e00c53a3df
Manifest09e0f59080481ef3a574cdff3d54929f8f61ad5579194df25dd1cb07a230b5c9

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
SignatureoCVrShVvGFqSpSNUy2Wk90Rv+RYt5L8da712CRBTNBjUGkd+xFyMSqeJB77FjJe2rfcXrj/aGLTzkHInf6TjAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:05.730931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098773
observed 62fb5c8a6395a14f12915feaa57c16cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.712231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098773/manifest.json
observed 09e0f59080481ef3a574cdff3d54929f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.692398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098773/publication.md
observed 97babea659d9fccfa1253950d7457968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.674724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098773/publication.txt
observed d2f2ea0bd46dbe9d95d5007225b9dd85...
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.