OpenTechnical

OT-2026-000057584

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000057584) never changes.

Identity and time

Publication numberOT-2026-000057584 · never reused
Internal UUID01a0ae88-2693-7b7f-bf22-6bbff2c2aeab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057584
StatusPUBLIC

Content hashes

Canonical textfd5383c6baddb516bde2a1aef529bd2df891afb671d727c52726765a8c876edc
Markdown5f16d5d2384e95fa862659455443d4f4e1c6cb660cb7a12d379d7d2a5bd97539
PDF
Publication page110840dee72e08723df5c382c298959b7d02424c11d5603d88fc6064d06da8f3
Manifest076907512b79f860b97243a62404b06306b9eb67663f67b334141fa5d6b1dfa6

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
SignaturerK8O3RP8LTW3XdnnPJeOTG3D7WGstc8kKB1NIJbxRjaRpAu8RllFva8dP2u6Zax+IEvbGPXH0yPj/DqrNnzdCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:07.907388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057584
observed 110840dee72e08723df5c382c298959b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.888885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057584/manifest.json
observed 076907512b79f860b97243a62404b063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.871012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057584/publication.md
observed 5f16d5d2384e95fa862659455443d4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.854292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057584/publication.txt
observed fd5383c6baddb516bde2a1aef529bd2d...
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.