OpenTechnical

OT-2026-000032998

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000032998) never changes.

Identity and time

Publication numberOT-2026-000032998 · never reused
Internal UUID01a0ae75-4843-7518-ab1c-4e827dfb657c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032998
StatusPUBLIC

Content hashes

Canonical text6ae03a88889dbec5cdf23c586f12582eeae5c5da6bce4fc8786b94d278130cff
Markdown9c0bd10084a4d0207657aa3f73ea1d32421f40f2120f70e4f5d01bc9baa87551
PDF
Publication page0588bfa1a0d504c6092a4f24666c1d658065ec7fdb706291fc18741ced7045d0
Manifestfbfb11c90f595646340af7257def188d9510dd0b92a16d520d09f4fa3b303ed1

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
SignatureZYzxCOlYDTjm68HRoj4kYu30c4KVfuizDfuCoXmZFyk8xqo9SwlHBi91H15Ve+YTMCurIe+WTPBcRxGaumn4Dw==
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

2026-09-17T11:32:36.947359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032998
observed 0588bfa1a0d504c6092a4f24666c1d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.928252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032998/manifest.json
observed fbfb11c90f595646340af7257def188d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.910455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032998/publication.md
observed 9c0bd10084a4d0207657aa3f73ea1d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:36.890650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032998/publication.txt
observed 6ae03a88889dbec5cdf23c586f12582e...
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.