OpenTechnical

OT-2026-000086274

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000086274) never changes.

Identity and time

Publication numberOT-2026-000086274 · never reused
Internal UUID01a0ae9a-2c95-7550-9c43-aeec1c99def2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086274
StatusPUBLIC

Content hashes

Canonical text7bda3a6dfa54f99ed3faa9ce5c3ab6376924cd0a79686df70a731fe9c5a383e7
Markdownf43c93344766ee5aaf66edbce45d5e1395a9927601d0c5e2d71db8cefc057189
PDF
Publication page0be2ca6ea3ed50d827275cacffd0ea8ea14e771f08a176daedbdc5bd14d4e0fe
Manifestd90e9ba029c4b0a325704f810f620f5e5dc743b9eecaefeda6929589738f2ea0

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
Signaturer8BJ3tzv4ayt+EU1H+I93caXv7xfAOdcyG5pwvbC9Lx9zMbWldZLABvLPAhZhgvv/oycofGhunhHUaPUbCLjDg==
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

2026-09-17T09:51:56.672955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086274
observed 0be2ca6ea3ed50d827275cacffd0ea8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.652578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086274/manifest.json
observed d90e9ba029c4b0a325704f810f620f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.633023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086274/publication.md
observed f43c93344766ee5aaf66edbce45d5e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.614306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086274/publication.txt
observed 7bda3a6dfa54f99ed3faa9ce5c3ab637...
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.