OpenTechnical

OT-2026-000076774

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076774) never changes.

Identity and time

Publication numberOT-2026-000076774 · never reused
Internal UUID01a0ae94-b06f-7674-b27c-4f35cbfa2cca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076774
StatusPUBLIC

Content hashes

Canonical text0d41a6dda11d2498a3f7a3fec1839a40091bcea0becb52b19c5be073e79efe02
Markdownfa995b01aff05f6e3934959adf7597f393ae819f5482e51b60805c2f70ea62ba
PDF
Publication page21f10189d981648b05570dd1dabb9489cd0f703ccc2f869c0fcdbc2af3f0620f
Manifestc673c798937245e93f93e7f7c97db2f55ec8d42028a535aff3275d0bd8d23bee

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
Signaturem/XZbcQ/hPTPv7ZDpHfRTObsKOLWzPUxazffq2gtqX/0eFAE6pgkIMKGqwZYMEJ7GO+wWxHUWUCH69wq0YfXCQ==
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

2026-09-17T10:09:38.179857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076774
observed 21f10189d981648b05570dd1dabb9489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.159905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076774/manifest.json
observed c673c798937245e93f93e7f7c97db2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.138540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076774/publication.md
observed fa995b01aff05f6e3934959adf7597f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.055686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076774/publication.txt
observed 0d41a6dda11d2498a3f7a3fec1839a40...
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.