OpenTechnical

OT-2026-000076378

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000076378) never changes.

Identity and time

Publication numberOT-2026-000076378 · never reused
Internal UUID01a0ae94-6a70-7218-87c9-28e40c5c0266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076378
StatusPUBLIC

Content hashes

Canonical text35f15a5123e5a389c2ccc9ab17165bfdf895d24dc1b56e357bb0893aa25e01bc
Markdown4f896fcb2f7992b74230ab721c9c7851cb16aaa71045ae12a99e99632545972f
PDF
Publication page3a3df058e8068b458aecb0ea9b0c6a987f3ab434810c8d95b038da47e45ea5bc
Manifest115a41b4369984b4c183e91782fc5d14456dde072593e492400f31088ba9d5dc

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
Signaturef1H1gte3Eg5U0myShAAkn4ja2PekCeuGRaG1iDDp9LbsVaXyzxXBM2ab5dCDQoHGEMxH1iiZ99+su+Md6nrPAw==
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

2026-09-17T10:12:15.051201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076378
observed 3a3df058e8068b458aecb0ea9b0c6a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.031838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076378/manifest.json
observed 115a41b4369984b4c183e91782fc5d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.011322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076378/publication.md
observed 4f896fcb2f7992b74230ab721c9c7851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:14.992506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076378/publication.txt
observed 35f15a5123e5a389c2ccc9ab17165bfd...
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.