OpenTechnical

OT-2026-000097123

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000097123) never changes.

Identity and time

Publication numberOT-2026-000097123 · never reused
Internal UUID01a0aea1-01c9-7521-bf5a-92dd2290edf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097123
StatusPUBLIC

Content hashes

Canonical textab8d22b7c7984572421841e92262edfab489271b3783024fc1571f74eb5017e8
Markdown127f08997d166069a0d3f73b9e1bf53b7ee2db63b6cf6e67d614592f8e735e74
PDF
Publication page0f16ffb1e851bd5f8b8d4d4d29f89740e9787ffe8ef2e0082613590f1384534c
Manifest9f38e680c86a40795c53b261995c532235495e5932245597bac979b991ce31a1

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
SignaturerUMHcj4X0lBjGKmGJYDewKoRagnB5PdXfCmaGxDZqbBiRFKkxJAEGemYa3s6qC/4naikluUtb1ygq0btUPf/BA==
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

2026-09-17T09:10:53.086926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097123
observed 0f16ffb1e851bd5f8b8d4d4d29f89740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.940447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097123/manifest.json
observed 9f38e680c86a40795c53b261995c5322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.922562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097123/publication.md
observed 127f08997d166069a0d3f73b9e1bf53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.900349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097123/publication.txt
observed ab8d22b7c7984572421841e92262edfa...
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.