OpenTechnical

OT-2026-000069918

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented before set-down

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-2026-000069918) never changes.

Identity and time

Publication numberOT-2026-000069918 · never reused
Internal UUID01a0ae91-1860-7303-9975-b81a4b211d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069918
StatusPUBLIC

Content hashes

Canonical text4c21684f08709f73a6eff408bec7d8ad66cc5973736e30397abb407066c31f42
Markdown563f7557e84871f50af8f306b0a00177859feab26603bbd336621adc0d58bc75
PDF
Publication page029a86f65657d13135b496348eb49b0f8d723fcb5c7bc61a09f20ac836c5e78c
Manifestedf02519b7b3a35d9efbe78c3cd2c802483c192001682cda5af02c6f000394e9

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
SignatureA3Q4W5/lmjs6mL4Jz5ef+c46dOzLy1yfM2igeQUSrHdYyHAhDh+3SV4AtiiQMtRubJ7qN9oXVCnevVIm1UWCDA==
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

2026-09-17T10:26:28.968706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069918
observed 029a86f65657d13135b496348eb49b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.949682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069918/manifest.json
observed edf02519b7b3a35d9efbe78c3cd2c802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.930177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069918/publication.md
observed 563f7557e84871f50af8f306b0a00177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.883123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069918/publication.txt
observed 4c21684f08709f73a6eff408bec7d8ad...
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.