OpenTechnical

OT-2026-000059584

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off after 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-2026-000059584) never changes.

Identity and time

Publication numberOT-2026-000059584 · never reused
Internal UUID01a0ae89-ec23-7d84-9a98-3160acb521dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059584
StatusPUBLIC

Content hashes

Canonical text6804e34d44e94085061f41c7f2884d98cc70dac5e5fedaf9ec1ff7d56121b668
Markdown78f13192ba4ebd824b77238be50bc490ed5099beae1bb67f718ee6516a835777
PDF
Publication pagea86ba0e42a6e023997eada6182a3211500785d001466d77d0be757a5958d21a2
Manifest8a6c3777515bda15a2573c2afaf8056fec9f48ac6171c72787e4f217dc3dd60e

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
Signaturen7F7W7fbTzu+5Ug2N6pYlB1jND9SW+Ho/aAM7fRkU5TyrG3LrZoT2YzAIWSMq0ZNJ7/dgV9ZqOdd+Us+yzpgAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:14.062966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059584
observed a86ba0e42a6e023997eada6182a32115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.046401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059584/manifest.json
observed 8a6c3777515bda15a2573c2afaf8056f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.029151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059584/publication.md
observed 78f13192ba4ebd824b77238be50bc490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.010550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059584/publication.txt
observed 6804e34d44e94085061f41c7f2884d98...
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.