OpenTechnical

OT-2026-000025694

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000025694) never changes.

Identity and time

Publication numberOT-2026-000025694 · never reused
Internal UUID01a0ae71-9bca-7c62-a510-8fde02717b74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025694
StatusPUBLIC

Content hashes

Canonical textfab6f770f6b4676d1957c44185c543b9e2ecdc7a8568ba2ce6ab410cd31c7523
Markdowned9850bd433561970d1c9a3703a87cc53edf07a839f5ec55d524292f7d726cd3
PDF
Publication page6b53924e27b47c4a3239d11c52051df1e50eab756bb0a5fb4822cfdc6683b8fd
Manifest7eae4c027e6f7977d716f412e27854c4f6cb5aeab459f7c9896133c4e27b696f

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
Signature1UNptE+Fvst3K68N/A7WEx+xeM3SumY1CVnxyRjv6N+Xri6Xai0SfpGxRZcqNWv07Et+pLT5R7GbaFTmW42GBQ==
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

2026-09-17T11:46:54.435511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025694
observed 6b53924e27b47c4a3239d11c52051df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.418600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025694/manifest.json
observed 7eae4c027e6f7977d716f412e27854c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.402880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025694/publication.md
observed ed9850bd433561970d1c9a3703a87cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.386414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025694/publication.txt
observed fab6f770f6b4676d1957c44185c543b9...
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.