OpenTechnical

OT-2026-000028362

Publication integrity record

Two pad foam vacuum gripper, 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-2026-000028362) never changes.

Identity and time

Publication numberOT-2026-000028362 · never reused
Internal UUID01a0ae72-e2f5-72c9-a330-aeffb9fde7aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028362
StatusPUBLIC

Content hashes

Canonical texte69716f2f77441649d5f61e4a3761fd44c964e1e54dc07c3949973ad72ef4198
Markdown22893dcfe2d1407b848423e2c6ae688765429f3022c55abc14dd1a713026d609
PDF
Publication pagec3f7837ebcac7874d2e80fee7f096df7d7ef147aba993abedc19b50b219a7958
Manifest2f579b52890e5c4d6231e4dae3866ee18746d8ed48a76eaac67f79537771080c

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
SignatureWYB57TZuQ5MmLME5JJF5igOv2rI8gvMfgCXhli/h0+7ttLOKAbD5y44VMZxFjDGKr51pX8BrF9ADClOqU6DfBQ==
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

2026-09-17T11:40:22.612649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028362
observed c3f7837ebcac7874d2e80fee7f096df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.596657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028362/manifest.json
observed 2f579b52890e5c4d6231e4dae3866ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.579137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028362/publication.md
observed 22893dcfe2d1407b848423e2c6ae6887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.563144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028362/publication.txt
observed e69716f2f77441649d5f61e4a3761fd4...
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.