OpenTechnical

OT-2026-000068961

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068961) never changes.

Identity and time

Publication numberOT-2026-000068961 · never reused
Internal UUID01a0ae90-6dcd-7f9c-9f06-082b7030de91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068961
StatusPUBLIC

Content hashes

Canonical text23ca675806b684629d09a37438da7705a3b29eb9f75e9b6098e7d811383f9a1a
Markdown9ecd67c3851d269c8fb8bd60cda763c0b1bf29d357732e18e8d41646e1985f7e
PDF
Publication page064b7a3a2591e737560d59893fc2be623e6fbb807592cde8a48d5bd7ca553e81
Manifest6eeb0ac386440e351dde8fa978a6eb83613701abb615762030204701cedbf7c4

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
SignaturebMj6UQTJMt+z6RnI/p4TsA9fyUBDAjy1A44GaQclo6ksNOBwzbddpuulPwJuBMdzpLirnCmLC2a0BlIdgxmoBA==
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

2026-09-17T10:28:47.934960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068961
observed 064b7a3a2591e737560d59893fc2be62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.916865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068961/manifest.json
observed 6eeb0ac386440e351dde8fa978a6eb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.898883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068961/publication.md
observed 9ecd67c3851d269c8fb8bd60cda763c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.880473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068961/publication.txt
observed 23ca675806b684629d09a37438da7705...
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.