OpenTechnical

OT-2026-000020270

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000020270) never changes.

Identity and time

Publication numberOT-2026-000020270 · never reused
Internal UUID01a0ae6f-437a-7367-bc2d-0a0757b61dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020270
StatusPUBLIC

Content hashes

Canonical text165c45061b75eedaa02bf00d2813626a2eef98b58ed5c2aa73ca8ba376a782d2
Markdown250ff1fc233da30accce29a04d83a62758227e3750080af05d881ef8a1a6bd14
PDF
Publication pagedc21c181d21536241de0003aeb5b445108a258ae680982cdad0ae99d174329c3
Manifest1b8be20bbc58856fa418ad50be28122d777c94511f3ef16c49648681069b663d

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
Signaturew6bb42jb0YsK4ANM07QhfCtCgBeC/UP1INQeEnKLGbSkb94im7YGa25ib5w2tZ8yCj/GwB+dXKih9mS/SVG+CA==
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

2026-09-17T11:56:37.183685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020270
observed dc21c181d21536241de0003aeb5b4451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.166195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020270/manifest.json
observed 1b8be20bbc58856fa418ad50be28122d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.147290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020270/publication.md
observed 250ff1fc233da30accce29a04d83a627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:37.130038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020270/publication.txt
observed 165c45061b75eedaa02bf00d2813626a...
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.