OpenTechnical

OT-2026-000043784

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043784) never changes.

Identity and time

Publication numberOT-2026-000043784 · never reused
Internal UUID01a0ae7b-d676-7095-a456-aaf926bd6f4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043784
StatusPUBLIC

Content hashes

Canonical text2762a14d627d22c8b1453d45c2f55255ec449057d6ec887f497a65acbbfa112c
Markdown5f3012b161985ab2a9caefc4a6d951884104216b9228528edc75007a81cf4b04
PDF
Publication page9c37c37a9d162779e501599153f1d978aa5805a335e9bdc930d74ca6496783bc
Manifest461567bace1a63f2876a3ede6fa17fcda7ca5d9ca2899718f2935a27e54a8d8b

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
Signature0I/kGdHY/jJRXhY3yo9p5JPsDL+G1vq6BAJaRH7Z7L80xi/2Pjv5Q6Req3BryirShaod59vo6nRh9WoCJpYJDw==
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

2026-09-17T11:12:04.784087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043784
observed 9c37c37a9d162779e501599153f1d978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.766860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043784/manifest.json
observed 461567bace1a63f2876a3ede6fa17fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.748242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043784/publication.md
observed 5f3012b161985ab2a9caefc4a6d95188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:04.729777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043784/publication.txt
observed 2762a14d627d22c8b1453d45c2f55255...
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.