OpenTechnical

OT-2026-000010879

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000010879) never changes.

Identity and time

Publication numberOT-2026-000010879 · never reused
Internal UUID01a0ae6c-540d-7396-bbba-6588f6cd268e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010879
StatusPUBLIC

Content hashes

Canonical text7b150ca8d144d5b9c4d0ed9628c40f84bc51d7aa1b246993d3e9ed96fd656c9d
Markdownb9afd88dbd92deb93489c9618b8f664abfeb2044c8126ed8c76bd181a58c6abf
PDF
Publication page8be5dede8baffffc9664b173bb0edc2dcd5306b52086984ee52a98107df87183
Manifest0e33ecf3bccf03f2c588856e2b4f7c4e8b1902230a4130ac09a58eddbc5d8c0e

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
Signatureeviyjfc9wzUQKXOQ7dWLkXjmGL/+Coynuj91Z964xxRf/qzcoVGzs8iUAiW3nNp4eyA3ZoEvxkytWQPWhTXYBQ==
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

2026-09-17T12:13:38.602240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010879
observed 8be5dede8baffffc9664b173bb0edc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.581016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010879/manifest.json
observed 0e33ecf3bccf03f2c588856e2b4f7c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.560330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010879/publication.md
observed b9afd88dbd92deb93489c9618b8f664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:38.541550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010879/publication.txt
observed 7b150ca8d144d5b9c4d0ed9628c40f84...
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.