OpenTechnical

OT-2026-000024289

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000024289) never changes.

Identity and time

Publication numberOT-2026-000024289 · never reused
Internal UUID01a0ae70-e8c9-7365-8828-6a05e473a498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024289
StatusPUBLIC

Content hashes

Canonical text23c82e8f8680366f7c30710729a2dc20f95f6aca7dfb1e89db32e11fdb0a4116
Markdown195cb0e705b1fa6ea50abc9aaeca521a6054dcfa2f6d230bf415db7cfe3b9f07
PDF
Publication pageec038714ac5bc1300de00a6cfd4308661b8a677aaf3f1a00cce14ef2b51f237e
Manifest811bd00c955b7b7cc0b36089cc13835e1b63daf99a61a5a76ffa300d8d4b8d81

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
SignatureJe0AkXIZZ946z4Qfh+0HnIBRv346kv5bfVtsK2Q0mvYUB7aOMgwiVvia3DpZJNtcRy4IzpjLHbII2hotNNHyAQ==
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

2026-09-17T11:48:46.957713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024289
observed ec038714ac5bc1300de00a6cfd430866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:46.938784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024289/manifest.json
observed 811bd00c955b7b7cc0b36089cc13835e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:46.921391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024289/publication.md
observed 195cb0e705b1fa6ea50abc9aaeca521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:46.902099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024289/publication.txt
observed 23c82e8f8680366f7c30710729a2dc20...
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.