OpenTechnical

OT-2026-000068973

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-2026-000068973) never changes.

Identity and time

Publication numberOT-2026-000068973 · never reused
Internal UUID01a0ae90-6dcd-7838-a249-75587f240b11 · 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-2026-000068973
StatusPUBLIC

Content hashes

Canonical textd40ddaf7465c8597389d35c029a8a5438fa02a25059b2e926990cac7c7576288
Markdowna66cf3129429dba35ce733b2731d022fc2a2e8f1dc5df08a90de4f419d1b6cbb
PDF
Publication pagea207d7a721d894bceb9441889812401d5ef006bd7562383de31f68c68f16f4ce
Manifest5a30f1eac2332c657bac37c4b48e7ab6e15aeaa1ae9d2451b60e23cc41131a68

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
SignatureHHfhauU+Ydt//6Tdwp6eYbMnF8FVBl6uOOSpFX/acAXpsHXyY2fFYjCqQ9XW13xeGjvg+pSEnREvYUbLgiWpAg==
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

2026-09-17T10:28:46.547857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068973
observed a207d7a721d894bceb9441889812401d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.530827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068973/manifest.json
observed 5a30f1eac2332c657bac37c4b48e7ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.513981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068973/publication.md
observed a66cf3129429dba35ce733b2731d022f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.478761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068973/publication.txt
observed d40ddaf7465c8597389d35c029a8a543...
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.