OpenTechnical

OT-2026-000058448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000058448) never changes.

Identity and time

Publication numberOT-2026-000058448 · never reused
Internal UUID01a0ae88-f39a-7a84-8f31-4ec7458c3794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058448
StatusPUBLIC

Content hashes

Canonical textfe87d9f1a739e31e252c43ce79dc01dfb339b4e29bf05b8c32bc9925b3d97809
Markdowne74e9a1fb01a9c8eb7c014cd336a51b0ffd5086218db447a44e317e8c45a7a5b
PDF
Publication page351c9987ae555abbd48a2a6f0003ec2bcc9215af33ee59e0a48a3d9dfd14d36b
Manifest923d9e191e6b0960fdfe7743514874b442cba65a8137942cf1216b416b26e339

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
Signaturer5FRWdiVFnSmSQVV9DydCP5SQHwV2SdxxKKp/Mhe602fhyGPShCiJewn6RNJlozZaliVD2YgvgbLczRQc7EADQ==
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

2026-09-17T10:46:53.740750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058448
observed 351c9987ae555abbd48a2a6f0003ec2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.720583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058448/manifest.json
observed 923d9e191e6b0960fdfe7743514874b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.701874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058448/publication.md
observed e74e9a1fb01a9c8eb7c014cd336a51b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.684308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058448/publication.txt
observed fe87d9f1a739e31e252c43ce79dc01df...
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.