OpenTechnical

OT-2026-000093990

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000093990) never changes.

Identity and time

Publication numberOT-2026-000093990 · never reused
Internal UUID01a0ae9e-92c9-7e52-a401-47f61bb1526e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093990
StatusPUBLIC

Content hashes

Canonical texta707a5ab0557d1b6970b0dd87ee7974a42b8cf0eb6851314a430f8c7a7d05703
Markdown63855d18991938bcea268f20261b70516e23039200ec5448e8ca9ac6d901fea4
PDF
Publication page09273f9e732b21daea91e6ab794e0750e8001c70a85713b8aae383873e150172
Manifest17638f473892abab4235b232e71901c950275b8e5ee9b6169b9432c3437b40d3

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
SignatureZQjkAVUCP2bEUi/nRRrxUruVkLkS+bB5UXIbcpx9Pyz4IATRB5vAwoFtWpbuRL05AV9psaL10jjXm3epj+IVDg==
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

2026-09-17T09:38:23.701763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093990
observed 09273f9e732b21daea91e6ab794e0750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.684937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093990/manifest.json
observed 17638f473892abab4235b232e71901c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.669085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093990/publication.md
observed 63855d18991938bcea268f20261b7051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:23.650571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093990/publication.txt
observed a707a5ab0557d1b6970b0dd87ee7974a...
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.