OpenTechnical

OT-2026-000061640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000061640) never changes.

Identity and time

Publication numberOT-2026-000061640 · never reused
Internal UUID01a0ae8b-7b45-7301-8cd0-7e0dc7d8aee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061640
StatusPUBLIC

Content hashes

Canonical texta4ed9694b3cd5c3a457e3f1bc8c4333b1f2c3e96d929043ff8ae5fba68656847
Markdown5837e24e35b41d8aaea7a3fa8c743654461de41279687b28b5030c7ac893f5c6
PDF
Publication page5658f848d9ef9b3cfacf3cb50e6ddb5b973b0de2eb70caef818fa2a5ebfbd02e
Manifesta20f8f40f569373d770418d9882ea21bc48db872cbbc722f78879ddd58d3a4be

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
SignatureYHPsq/1X9M283w4ow89TVDaQnfmCDEj0MzAeG59TF/yPkD7tj0bNlms0KwAUDkCUDpWU6tkOvo9r1uoXLBdPDg==
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

2026-09-17T10:41:34.842851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061640
observed 5658f848d9ef9b3cfacf3cb50e6ddb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.822279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061640/manifest.json
observed a20f8f40f569373d770418d9882ea21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.802530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061640/publication.md
observed 5837e24e35b41d8aaea7a3fa8c743654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.780207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061640/publication.txt
observed a4ed9694b3cd5c3a457e3f1bc8c4333b...
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.