OpenTechnical

OT-2026-000061809

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000061809) never changes.

Identity and time

Publication numberOT-2026-000061809 · never reused
Internal UUID01a0ae8b-b8ac-70bc-ac26-9a5c05bf03f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061809
StatusPUBLIC

Content hashes

Canonical textb7ba605eb1c5d38e67bd59e6fee1a9d2b06a08de1790c68d312f365212f702c5
Markdown090d17f0f03072e190299dffe22702e48728d7c709d070d55fcea265041ac371
PDF
Publication page1bea892e24476999b968d88282dca9817496bd512ecaa31f07b4a9f7f459d02e
Manifest6bbec1bf2d8103bfdadde2bb33609e7b7992e3a36a51fa504c1824fe01cc538d

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
SignatureAVpOKxrSfKlG7V48mFUzODmzykoCieRYjEhdoAx+HNXPCRvVX7FFzS55Hai8LfQk937q1zlJcgCZZ9T9Hsu8Dw==
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

2026-09-17T10:40:32.245117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061809
observed 1bea892e24476999b968d88282dca981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.225735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061809/manifest.json
observed 6bbec1bf2d8103bfdadde2bb33609e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.205146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061809/publication.md
observed 090d17f0f03072e190299dffe22702e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.184742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061809/publication.txt
observed b7ba605eb1c5d38e67bd59e6fee1a9d2...
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.