OpenTechnical

OT-2026-000009973

Publication integrity record

Two cup vacuum gripper, two 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-2026-000009973) never changes.

Identity and time

Publication numberOT-2026-000009973 · never reused
Internal UUID01a0ae6b-cb79-7fa5-8a1a-62203ec9efab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009973
StatusPUBLIC

Content hashes

Canonical text4df5806d4e036df4185ba4f3ed44e0c61be25f111d6807034f1cf0d5e3bb0c96
Markdown13475a8be7dd18009ea46570dd77312619936207a732c10c5162ea164bbfc366
PDF
Publication pageafe5199027e8bbf8d49d7ed0b828aa367ef1977dc856103cda33e7985a5431d9
Manifestf3aa74b9214d5265182bd3416303930861563cc77d3fbd4c1d8cb9d45a6565c1

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
SignatureX4aeV+/5tAiKghHlN++qLp5epaBdQDHjhutCVb8VlutBkitYjKokGtLfY85dSOjnFI7WVeXHrdQ4ye5bLB93AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:00.857276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009973
observed afe5199027e8bbf8d49d7ed0b828aa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.838133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009973/manifest.json
observed f3aa74b9214d5265182bd34163039308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.817212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009973/publication.md
observed 13475a8be7dd18009ea46570dd773126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.796738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009973/publication.txt
observed 4df5806d4e036df4185ba4f3ed44e0c6...
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.