OpenTechnical

OT-2026-000008886

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000008886) never changes.

Identity and time

Publication numberOT-2026-000008886 · never reused
Internal UUID01a0ae6b-31b7-73ab-8a1d-6c018b375e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008886
StatusPUBLIC

Content hashes

Canonical textdf461fb98b326c0cafe43638cdcf0105e5dc925b3c0a4d82d836356604d642cb
Markdown7537ac551e1d7f5fe9f1e24187ffa940cb7fa252db50ff49e7712e50abdee463
PDF
Publication paged010141598cfcd9f4b9bcae31f89e84cb4b1f3cfe3bbaba0e06d78797a61098c
Manifest6d361baea2c25d40053d84051591082c812745348ca8b470d0b9d9cfbb68a97d

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
Signature6Uqg+Cy17xLvbmzx0nc5enw+zMbSU2p3/6TYU3oWpJ1opZJSBwfT8yEccmBjib5VXyNYbGoGqmyKlgZt4YVfBA==
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

2026-09-17T12:17:28.991808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008886
observed d010141598cfcd9f4b9bcae31f89e84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.973147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008886/manifest.json
observed 6d361baea2c25d40053d84051591082c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.953921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008886/publication.md
observed 7537ac551e1d7f5fe9f1e24187ffa940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.936018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008886/publication.txt
observed df461fb98b326c0cafe43638cdcf0105...
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.