OpenTechnical

OT-2026-000042333

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000042333) never changes.

Identity and time

Publication numberOT-2026-000042333 · never reused
Internal UUID01a0ae7a-5d74-7d19-899b-5e50d465e1bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042333
StatusPUBLIC

Content hashes

Canonical text34445f428c93807bc9167de9b2d7078a34af88cfa406c5b1c5b6c004c0604015
Markdown3e599e9034dac6d290ec4636896460e5626982cef7c7835446a7cfc973825403
PDF
Publication pageaf15cae2dffec23c1ccfd14684fa9d7797f166641805c053a83fc112266c1003
Manifest0a9b4e0dfd5aa995e249506c628b2cdbdb84805c62cfd2d92979d628cd175825

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
SignatureLHYon4+Q86EusyaSGiFgJJI75YS9ibMQIn1xsnwwv4aS7jT7dFk9r0gfZU2CUW0nOnQwEGtOM/AjsvDUzW9PDQ==
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

2026-09-17T11:16:02.373822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042333
observed af15cae2dffec23c1ccfd14684fa9d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.354506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042333/manifest.json
observed 0a9b4e0dfd5aa995e249506c628b2cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.336113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042333/publication.md
observed 3e599e9034dac6d290ec4636896460e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.318730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042333/publication.txt
observed 34445f428c93807bc9167de9b2d7078a...
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.