OpenTechnical

OT-2026-000031069

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000031069) never changes.

Identity and time

Publication numberOT-2026-000031069 · never reused
Internal UUID01a0ae74-3fb8-732b-afff-9fa03255a634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031069
StatusPUBLIC

Content hashes

Canonical text9938d59a65ae73af583754ca843caac6746b34239cec7721c950476273e9dffd
Markdown28be412536913d5b4350c54ae9696a3d4046bffcd755c2f97037a0978c6e8397
PDF
Publication pagec067711a7e72711edd97ff052beaf8be4a07b8bb4e1eef3d4a160538334e4a11
Manifest32a59e08a3469cc0c4781445e71ef45462d3b12962a45a06f93eb796158d9132

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
SignatureEXApeQf/rZ7LHLLssSoRCxULePNZ6JW02iOtbuJfuRnKdo85nsJG1aNXy+DHsT6WwmhK9CNB6FDtyARAJ8ICAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:17.099884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069
observed c067711a7e72711edd97ff052beaf8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.076869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/manifest.json
observed 32a59e08a3469cc0c4781445e71ef454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.052177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/publication.md
observed 28be412536913d5b4350c54ae9696a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:17.000593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/publication.txt
observed 9938d59a65ae73af583754ca843caac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.347706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069
observed c067711a7e72711edd97ff052beaf8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.330690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/manifest.json
observed 32a59e08a3469cc0c4781445e71ef454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.315113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/publication.md
observed 28be412536913d5b4350c54ae9696a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:39.298554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031069/publication.txt
observed 9938d59a65ae73af583754ca843caac6...
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.