OpenTechnical

OT-2026-000061909

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061909) never changes.

Identity and time

Publication numberOT-2026-000061909 · never reused
Internal UUID01a0ae8b-b8ad-7fea-9661-3d336c6b5e34 · 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-2026-000061909
StatusPUBLIC

Content hashes

Canonical textf16ccea390bfa09df4a62c5bc4f8ead80b2f39f87907b68e3a36c161e99b677e
Markdown3e1ab907e43c827184d42a06e357c6fca7de9c6fabbe7545c919425215b4217e
PDF
Publication page03c41750b4cf5e3dda8b512d63fcbf23d59e7750792be0d96e639de4e474fcfa
Manifest766b790d2ba1ecbe41a09107e07bc1d1690a1ce6b5eec25132465a92964a3262

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
SignatureSnaeYvffFNuAdXBVJT+ggS461LfyEBkc5gwApUajBs9xsQ+PBCipMzDCXED/sWt2/xtOEMU/MRhIPudIKQ7rDg==
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

2026-09-17T10:40:47.278264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061909
observed 03c41750b4cf5e3dda8b512d63fcbf23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.256815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061909/manifest.json
observed 766b790d2ba1ecbe41a09107e07bc1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.238959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061909/publication.md
observed 3e1ab907e43c827184d42a06e357c6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:47.219361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061909/publication.txt
observed f16ccea390bfa09df4a62c5bc4f8ead8...
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.