OpenTechnical

OT-2026-000104509

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000104509) never changes.

Identity and time

Publication numberOT-2026-000104509 · never reused
Internal UUID01a0aea5-3422-79e1-ae24-f08d95fadcbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104509
StatusPUBLIC

Content hashes

Canonical textf5eacf2f9e8989523e716ba86be909efcba226f93ac136fc23fbb1f2a91a474a
Markdowndb017ef0e2f2abc6c796838b7db969a0c6e0bcc9d2bb99a0062fb3da086852d8
PDF
Publication page6f40c87a0fc8bd76db8f105c9e990fba7ad342a81e1e4b2c9cd9a2c6195e42ff
Manifest04a05a40d24c5976034e884aa260dcaf933c86f653b5458df88b2a8a0b69db7b

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
SignatureBifSJMiMVKg1YcQ+fJ9/cgthzM/NTSgEI3dhoP6IK4q/A+jfU7lWkEOUgZ4yhlW8T0xl5D5i87TDKwOnL8OXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:48.109192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104509
observed 6f40c87a0fc8bd76db8f105c9e990fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.090187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104509/manifest.json
observed 04a05a40d24c5976034e884aa260dcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.073174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104509/publication.md
observed db017ef0e2f2abc6c796838b7db969a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.055079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104509/publication.txt
observed f5eacf2f9e8989523e716ba86be909ef...
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.