OpenTechnical

OT-2026-000010321

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000010321) never changes.

Identity and time

Publication numberOT-2026-000010321 · never reused
Internal UUID01a0ae6c-0ee5-7701-b490-0035ef07a89c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010321
StatusPUBLIC

Content hashes

Canonical textf3d198780b0f9581017ea8880b14298bc9fef430127e04dacf549465b1cbfab7
Markdown65eb55760ec8fc8f16eff6f05152a5db673d5e990fbed5b399bacaf8907fbda9
PDF
Publication pageb19b479f1018270fe6891eb10c39f3b308fcf1d9098c9db0396045eb656026b9
Manifest5cd8cc348ad2958b6ec022f040e6790d3d0f2450f8561d33d307d330db29dd45

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
Signature80gEGbGRal2OI2+IpmioZBsnEfaoIFv4D6ApQYKFT+yo3sR8Urn75zw1+Hwpmv3ZxCw/L4Iz7z3G+ZHWUqJzDw==
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

2026-09-17T12:14:20.232750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010321
observed b19b479f1018270fe6891eb10c39f3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.212145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010321/manifest.json
observed 5cd8cc348ad2958b6ec022f040e6790d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.194205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010321/publication.md
observed 65eb55760ec8fc8f16eff6f05152a5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:20.173364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010321/publication.txt
observed f3d198780b0f9581017ea8880b14298b...
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.