OpenTechnical

OT-2026-000022821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000022821) never changes.

Identity and time

Publication numberOT-2026-000022821 · never reused
Internal UUID01a0ae70-46ea-750a-a385-8adaaff3250c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022821
StatusPUBLIC

Content hashes

Canonical text8dee2871fbf92d354305bacc8295483bafede7988f9b733ee212b84ae8f7c2e3
Markdowna99b03826637fb59259177a12925ce6e23488c77b0b40530d459e7adad3a10b9
PDF
Publication pagef7736cd1f4a2e3add731d5a9b038406a70092010ae8c55c0b456e51d2b88d85e
Manifestc85b7c577e1be7a2b0e3086cc0dfd67188c7079fc025dfc16861ec61cf1bb805

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
SignatureOShVyRKmzrP6gN3mHLm/o/ONTac3E50rI0UIx36ed+3C2vx/WqOa2ptbcJVtUkulcLgHSVPGzNFXWxD7ou7HDQ==
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

2026-09-17T11:52:21.055889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022821
observed f7736cd1f4a2e3add731d5a9b038406a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.035785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022821/manifest.json
observed c85b7c577e1be7a2b0e3086cc0dfd671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:21.015175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022821/publication.md
observed a99b03826637fb59259177a12925ce6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.996160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022821/publication.txt
observed 8dee2871fbf92d354305bacc8295483b...
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.