OpenTechnical

OT-2026-000082780

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000082780) never changes.

Identity and time

Publication numberOT-2026-000082780 · never reused
Internal UUID01a0ae97-8cc9-726a-929c-e29730c3cb26 · 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-2026-000082780
StatusPUBLIC

Content hashes

Canonical text9633e856d974d65db2d8f92e362beaa463272bbc219711a871c5f775b263f033
Markdownb9adeb3349b2f6d5d564878600e5c96f74a917e0067a8b2c7716df91ac66dddd
PDF
Publication page0dc22fcc10824a32edf1761ace245591af30d51f550628de2d491dd1a43b09b9
Manifestabcb87a8cff252ee17f67e824070f6750f2ea3df77aef616ee3f072ad5a15492

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
SignatureP+jjBn7/NjJrrp4hoLClyaTIfvGpYD3V+MVjtn0/tx91plgL+8oSIOvLRLzCqYaicmFktCiltYE51Rz90/QrDA==
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

2026-09-17T09:58:22.150891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082780
observed 0dc22fcc10824a32edf1761ace245591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.134584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082780/manifest.json
observed abcb87a8cff252ee17f67e824070f675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.116868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082780/publication.md
observed b9adeb3349b2f6d5d564878600e5c96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:22.098567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082780/publication.txt
observed 9633e856d974d65db2d8f92e362beaa4...
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.