OpenTechnical

OT-2026-000004598

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, two stage ejector, pressure verified, contact triggered

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-2026-000004598) never changes.

Identity and time

Publication numberOT-2026-000004598 · never reused
Internal UUID01a0a91d-4464-7638-bf85-93318869e8ec · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:42.694314Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004598
StatusPUBLIC

Content hashes

Canonical textd70979b1f1c01fdbfec99c79ec968e8355aa2a301c41f44496c1a89a2398950c
Markdown9c95ad5e74232df73a0d8c99b4712af8e373445c3ea42b17ba8c3047b6c3f7f6
PDF
Publication page7be81ae14caf2f3d556c9278d39e3b3c56abc2b7f72eb69441624e179dc37c65
Manifest372ce3aaa3ae4751a7b888e01ae7b14bf071f799f09acff3ef2304edd98b86ff

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
SignatureMzKic8Nb/JPuqVIMwMaFX/q94kE/8IS7sfEraNb72PzM3tr6AdVqd+V3EvGKOF5GlFZk2pPAYqvIb5ZcYwgYCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:10.719018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004598
observed 7be81ae14caf2f3d556c9278d39e3b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.703487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004598/manifest.json
observed 372ce3aaa3ae4751a7b888e01ae7b14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.690916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004598/publication.md
observed 9c95ad5e74232df73a0d8c99b4712af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.677295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004598/publication.txt
observed d70979b1f1c01fdbfec99c79ec968e83...
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.