OpenTechnical

OT-2026-000009487

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000009487) never changes.

Identity and time

Publication numberOT-2026-000009487 · never reused
Internal UUID01a0ae6b-7562-77ff-a1da-a0778bf1d6b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009487
StatusPUBLIC

Content hashes

Canonical text5b2fb026ff73c56f224d08e9dfad276db65ce875da393d9055368adbee944ece
Markdownc217c2bde32a0b87e9368e9ba0805f68d728e902fb03f2ef118d1974643645ec
PDF
Publication pagea834ee4ce797421b47d50f74542ac0da980cff420b2d0356db0fd26aa1d00515
Manifestbb9f9233c58ff3f60931f24ebf1be4f5a26095b0c76ffb3027f0ed2e9bc805ec

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
SignatureBCmTgmnhzwO6DOyFzBhDj9roDc/4Wf7f+EmKRcUo+x4fbriAfy0AMw9SXBwH/9EF3GtZ1hKtD9sHil7aTaN8BQ==
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

2026-09-17T12:16:53.308269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009487
observed a834ee4ce797421b47d50f74542ac0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.288955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009487/manifest.json
observed bb9f9233c58ff3f60931f24ebf1be4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.267608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009487/publication.md
observed c217c2bde32a0b87e9368e9ba0805f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.245915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009487/publication.txt
observed 5b2fb026ff73c56f224d08e9dfad276d...
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.