OpenTechnical

OT-2026-000068215

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000068215) never changes.

Identity and time

Publication numberOT-2026-000068215 · never reused
Internal UUID01a0ae8f-c4ff-70f5-812f-6b8f96445665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068215
StatusPUBLIC

Content hashes

Canonical text5ce4f1bcd38f00ea5f7bf0b21ec76c5e966d2aac7599fe8dafa06432508f45c3
Markdown2816a38324993cb73794bdcf0114919cda6a8d979b31cc629a536e2caf1cb0fe
PDF
Publication page7a2bddd81ab89715abeddd8fe186146811ac7565f374ba9683f56134f1e7d4ae
Manifest2f7e9c50bf2290aa989e49e32d5cb1a5bbd0b9c0b779b8c4807d674cd5fd0bab

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
SignatureSh+hneUqLwQziYORFXQ6pCRMtmodaFD3iA8/ypI/0n+5EZQBidlW5tRBipG7Q6Bzs2bglLcsgU43sWNoenbyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:52.764683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068215
observed 7a2bddd81ab89715abeddd8fe1861468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.747114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068215/manifest.json
observed 2f7e9c50bf2290aa989e49e32d5cb1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.729129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068215/publication.md
observed 2816a38324993cb73794bdcf0114919c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.712239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068215/publication.txt
observed 5ce4f1bcd38f00ea5f7bf0b21ec76c5e...
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.