OpenTechnical

OT-2026-000063853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000063853) never changes.

Identity and time

Publication numberOT-2026-000063853 · never reused
Internal UUID01a0ae8d-53b7-7925-b8f6-5ad02b51c8eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063853
StatusPUBLIC

Content hashes

Canonical text7c2599cac7afd4767cc95666d245f92911121224603c78afef7a38c89dd61691
Markdown57cc3b5eb910506ec041a6fb0a8cae0175ce48b961fb79304583e53f83afbeab
PDF
Publication pageec6c1773ee9738b892ef8bea1107ed925450e587ffaf977e4918e46d73ebb0dc
Manifest251bf6ec5c8bb4f08de2ab681b147b829c5a89b9721032db3978a87a9dc8afba

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
SignatureMJ2BrUODGcNOa4GZMnIvUU0It6kMGVpn6UVsIIqSKMKKtTyTJ9DveNjtKZLIcO2VDH1JIpOJK/EYD4FIgyxRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:53.081309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063853
observed ec6c1773ee9738b892ef8bea1107ed92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.062477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063853/manifest.json
observed 251bf6ec5c8bb4f08de2ab681b147b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.044512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063853/publication.md
observed 57cc3b5eb910506ec041a6fb0a8cae01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.027328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063853/publication.txt
observed 7c2599cac7afd4767cc95666d245f929...
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.