OpenTechnical

OT-2026-000023970

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000023970) never changes.

Identity and time

Publication numberOT-2026-000023970 · never reused
Internal UUID01a0ae70-aed6-7d62-8c67-4b25d5d9f444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023970
StatusPUBLIC

Content hashes

Canonical textd1a54679e0d05e1f44d36c2c0d6c0329c6746ca0c80b73a640a68d8437e165af
Markdown8bf1abbb8ae97bba0a41d451784ad6b41c099027e9b9a9901139a265df3bea4e
PDF
Publication page8f9e8b4ce05c928c4978aab57661120c559dd9918796f312e8b944cb7150beea
Manifest32f025ed0b9d4b277e02cff96cdc6f0b96cb5f7ac8378a1dbf28633f7be64b65

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
SignaturepMwATrJrIqXaO4ATUOZ9h98I+FIKTmjj/7d4izdO496AgQvrWZbgO1imVK4cNyGbyzUZUHhG9nDu8cg+WcBoAg==
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

2026-09-17T11:50:43.926275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023970
observed 8f9e8b4ce05c928c4978aab57661120c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.906198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023970/manifest.json
observed 32f025ed0b9d4b277e02cff96cdc6f0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.887668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023970/publication.md
observed 8bf1abbb8ae97bba0a41d451784ad6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:43.868753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023970/publication.txt
observed d1a54679e0d05e1f44d36c2c0d6c0329...
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.