OpenTechnical

OT-2026-000003996

Publication integrity record

Porous face vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure verified

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-2026-000003996) never changes.

Identity and time

Publication numberOT-2026-000003996 · never reused
Internal UUID01a0a90c-8c0b-732d-b4d5-44ad5a005a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:09:26.926014Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003996
StatusPUBLIC

Content hashes

Canonical texta3eb3b89a7691d60d57f3ead4af7629cafd07a044e6ba4790975ace885a2bba3
Markdown284a14201bc6aa8e2504666907c5a1b391bd2ba7ad891baf9a9ce3ab9c9742df
PDF
Publication pageede12a0520fea47bbebbc78e936b52176caac6d9c4425692d051c1ee82121379
Manifestac7ae94dc5f2bab7fe58926934756e564f0964d596f98f147903281e155a7356

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
SignatureGzu8H1hBZLBF1ocejyRbVK956HVVz/NQz3PjdyDPo8c9RL5AXwi6J+WtQQ47bP5btc+vtOBoAjc/hH2qWIdqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:07.408399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003996
observed ede12a0520fea47bbebbc78e936b5217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:07.396851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003996/manifest.json
observed ac7ae94dc5f2bab7fe58926934756e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:07.383810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003996/publication.md
observed 284a14201bc6aa8e2504666907c5a1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:07.369194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003996/publication.txt
observed a3eb3b89a7691d60d57f3ead4af7629c...
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.