OpenTechnical

OT-2026-000034404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000034404) never changes.

Identity and time

Publication numberOT-2026-000034404 · never reused
Internal UUID01a0ae75-df0e-708b-8cb5-a58ea3065e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034404
StatusPUBLIC

Content hashes

Canonical text0dd2fbbc3014352af4378e5d3ee62b44b47c430bbe29d94ce68aa774e92caee3
Markdown0b6a9a6ad6d03cfbe9830706c782463406bf1e67cebf0314383ecfc0165bf2a7
PDF
Publication pagefb50cc791fd50cd9124071a5d62c1facf8aae7dfb95955ce9d71caca85408802
Manifest0eeeb2a54c357c8098c2a3fbca14154de23196967455f59e037e9d9c5e84db84

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
SignaturemCHnC+50WM5RQIZ73Q+4iEnqSIONGgAF6W1wTFHRFI9hrafOMtInLHEd02SF/BnNzeV/wuqlvsI/leZmT38nDg==
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

2026-09-17T11:31:07.303138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034404
observed fb50cc791fd50cd9124071a5d62c1fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.286202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034404/manifest.json
observed 0eeeb2a54c357c8098c2a3fbca14154d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.269340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034404/publication.md
observed 0b6a9a6ad6d03cfbe9830706c7824634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:07.250544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034404/publication.txt
observed 0dd2fbbc3014352af4378e5d3ee62b44...
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.