OpenTechnical

OT-2026-000008924

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000008924) never changes.

Identity and time

Publication numberOT-2026-000008924 · never reused
Internal UUID01a0ae6b-31b7-72fa-aa67-6aef6196369f · 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-2026-000008924
StatusPUBLIC

Content hashes

Canonical text36775e85a33bb613a8cdde0782db8bca58a910e41d330f49b4f0e6ed68e62719
Markdown330082387589cb8f520d56604eb0012cfd1f39d568849d0b5094cdca7eddda9e
PDF
Publication page3202be54e14153074973ccf532eae79f8971b63f29e0b7da5bd5e63034ba5ab7
Manifest7037d19cf27612f7e9825ad0d8931baa6393dceab156c9e1da1e115642e9bc11

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
SignaturetxGzkIGyifVNM3bGGvqNc4ufU6JVCGFpBAy+0lljB3gav45XPBApCbmkNcSWYTF5QSaJzLd8tH5T3M/xSk4/Bg==
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

2026-09-17T12:17:32.045563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008924
observed 3202be54e14153074973ccf532eae79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:32.025636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008924/manifest.json
observed 7037d19cf27612f7e9825ad0d8931baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:32.005704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008924/publication.md
observed 330082387589cb8f520d56604eb0012c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:31.985368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008924/publication.txt
observed 36775e85a33bb613a8cdde0782db8bca...
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.