OpenTechnical

OT-2026-000091873

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091873) never changes.

Identity and time

Publication numberOT-2026-000091873 · never reused
Internal UUID01a0ae9d-43ba-7396-bce1-854df0f86c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091873
StatusPUBLIC

Content hashes

Canonical text7a757b4fa790705bf5aeedd52b8d570473345965adca0062ebe22a012763d2fd
Markdown105c1f0f2dcb16bf94042beab81328ba59f67707c2cd173d9c3a3d5e181c7be7
PDF
Publication page1a82b1421a3b83df546426ed38094aad53311a423f50105f74f516af8cd291d5
Manifest2343f23a6b040fe8463eeb1798d6b233f0106847ec79a6f30d01bdf566e922da

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
SignaturepoMudciVxlyd6J1mA3qZ8zSpE3XFwgEAae8mn5I25Rxn5d3vlZiDyrsWpl7NiuuAhdNRRLdZ6r8Pq7I8F10BDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:47.966405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091873
observed 1a82b1421a3b83df546426ed38094aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.949887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091873/manifest.json
observed 2343f23a6b040fe8463eeb1798d6b233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.933223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091873/publication.md
observed 105c1f0f2dcb16bf94042beab81328ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.916412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091873/publication.txt
observed 7a757b4fa790705bf5aeedd52b8d5704...
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.