OpenTechnical

OT-2026-000097593

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097593) never changes.

Identity and time

Publication numberOT-2026-000097593 · never reused
Internal UUID01a0aea1-92f1-71cf-890d-dd0abbd54b9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097593
StatusPUBLIC

Content hashes

Canonical textcfcf3a529fd2f1ca6b5cf9c3065f1e153bb31901bd7c6d2beb298fece14ce377
Markdowna556716185b51aab56b385ef097f3ec511a705878a5156118ad5bdeeedac4d3a
PDF
Publication page5ff2d1369dbc4177f9e4f5c73fd02a75ac0c81486ab1e39918e31e35102f363e
Manifest147d76b42884f5b854c6e3d058a2b45fad755b6a879b154d5af7075d86c37f1f

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
Signature7tSvq5vSMaEdgMAVMrJDO+zDXHM/CXVcLkUQ7IqMfKNo86nzDUEiRCaott/rThOPmdDds4Z4f91ADVZgYFZPCA==
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

2026-09-17T09:32:35.821259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097593
observed 5ff2d1369dbc4177f9e4f5c73fd02a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:35.800750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097593/manifest.json
observed 147d76b42884f5b854c6e3d058a2b45f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:35.779553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097593/publication.md
observed a556716185b51aab56b385ef097f3ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:35.759553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097593/publication.txt
observed cfcf3a529fd2f1ca6b5cf9c3065f1e15...
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.