OpenTechnical

OT-2026-000012063

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000012063) never changes.

Identity and time

Publication numberOT-2026-000012063 · never reused
Internal UUID01a0ae6d-1943-79c6-b49e-2b375860ba82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012063
StatusPUBLIC

Content hashes

Canonical textd2e14df1859c0d9c88ab3fbb6dc5cf06e87290d33b5db3fbe6639a63fc4f039e
Markdown6e05af41395bcbcb9657170b8c84fc34500fec27202154ab3f04baa4630f8e66
PDF
Publication page5b98721694970d7de41e318e569c2b59e73bd70e55b840ada109622ac9ccbb8a
Manifestede57325cbab8254e1e26f0558decb9b2acca28391d452dc97538e94acedba07

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
SignaturekHzCoqy8k1vdp039O9f4iRnR+HIqDrccZO94tOvWNoW7Likjl8gPfXlvKqLBv4smFpLYst/xWc3gpVTWoLu7DA==
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

2026-09-17T12:12:56.753882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012063
observed 5b98721694970d7de41e318e569c2b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.736154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012063/manifest.json
observed ede57325cbab8254e1e26f0558decb9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.717502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012063/publication.md
observed 6e05af41395bcbcb9657170b8c84fc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:56.698256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012063/publication.txt
observed d2e14df1859c0d9c88ab3fbb6dc5cf06...
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.