OpenTechnical

OT-2026-000082788

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000082788) never changes.

Identity and time

Publication numberOT-2026-000082788 · never reused
Internal UUID01a0ae97-8cc9-71e2-9505-7e101a6e16a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082788
StatusPUBLIC

Content hashes

Canonical text258ab949257eaaa0c33a4d7b58fc9b1d00be7010d82b6be79da4c5562b40ea65
Markdown15c09b61f35ea6ca7bda3a31a9dd1e4209fd959923cfb417335377db3bf7e8cf
PDF
Publication page43e0df77e527f1919c6f8055cbe1d2e82d43a5b6938d1523de8692a7b83e6e58
Manifest6aead214256f2a3d69c1c99024a938c4a592b93d859ed90859dc18d7cb947c1e

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
Signaturearo39ZmY1MCLM3E5u6q86zVai4XZ3/NxU7rVCYkrtguTcaiU3RKvecq5RI4x6agA58e4h3oa0OR0QBtPMzoqCQ==
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

2026-09-17T09:58:22.711997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082788
observed 43e0df77e527f1919c6f8055cbe1d2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.694966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082788/manifest.json
observed 6aead214256f2a3d69c1c99024a938c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.678768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082788/publication.md
observed 15c09b61f35ea6ca7bda3a31a9dd1e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.662848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082788/publication.txt
observed 258ab949257eaaa0c33a4d7b58fc9b1d...
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.