OpenTechnical

OT-2026-000064321

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000064321) never changes.

Identity and time

Publication numberOT-2026-000064321 · never reused
Internal UUID01a0ae8d-a460-75fb-80e1-55b90043ef08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064321
StatusPUBLIC

Content hashes

Canonical textc7321cabcbc9b14264fe5d33f5362d58018280d8cc86cdff6a2ea49d202a5b70
Markdown8dd5d067b169c9de5c0f26e7fd67b7e0d57b3e801fe3185a3e009fc76c2e106c
PDF
Publication pagef9cd249afda62894cc87cb63a2da1396d9937256e8ecd38fea20834b7d0d222e
Manifest781bbaeec6fcf4fd2daec2df317a5315b0bc5072cd7d025f37a54cb83999b209

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
SignatureGzvtITmlRh5TnrUdFsdMsrx8RjiBqzwxcSwQPUV1GrZwys5JZ26K9SCWAim+qK7izjBJK05zKrNF3M64q9rXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:28.457385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064321
observed f9cd249afda62894cc87cb63a2da1396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.439626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064321/manifest.json
observed 781bbaeec6fcf4fd2daec2df317a5315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.420492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064321/publication.md
observed 8dd5d067b169c9de5c0f26e7fd67b7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:28.402356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064321/publication.txt
observed c7321cabcbc9b14264fe5d33f5362d58...
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.