OpenTechnical

OT-2026-000009240

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000009240) never changes.

Identity and time

Publication numberOT-2026-000009240 · never reused
Internal UUID01a0ae6b-31b9-70c7-9f2e-1269e5289fe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009240
StatusPUBLIC

Content hashes

Canonical text11be29fd36ec415d821f1253a3de561241a60bbc81dc781351bafa4fa53227da
Markdown289267efd020c78165751a1afedf2214a752231558906ef6fe0501a5f53c6b38
PDF
Publication page8a38475abd478cc82b805db4a4e4e383ce89ea949f2d681c038a9af1da28dc9c
Manifest4d8ce51460cfee02b7a8e96406e34f6fff9ea5f8121994c47e83712ec56ef3aa

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
SignatureXtITPc4wlazn35E1W7OVnJCcNjGWW3eMCgM/x8UqQV/Y6h28yv1WuV5fASicSJpoT1wB70oXh4XEPj5Qqs9aAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:58.547277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009240
observed 8a38475abd478cc82b805db4a4e4e383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.529284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009240/manifest.json
observed 4d8ce51460cfee02b7a8e96406e34f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.511616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009240/publication.md
observed 289267efd020c78165751a1afedf2214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.492148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009240/publication.txt
observed 11be29fd36ec415d821f1253a3de5612...
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.