OpenTechnical

OT-2026-000036228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000036228) never changes.

Identity and time

Publication numberOT-2026-000036228 · never reused
Internal UUID01a0ae77-01cf-7f81-8f87-bf0ff7f42759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036228
StatusPUBLIC

Content hashes

Canonical text8fd28aa335da95a4f8c1f392cd5149ba763fa06ba09ace20570ecf1f9b0d034b
Markdowna76f12cf89f3d5b9a55a3258a901c4f9555398b08fd0c8932693e53b796a21c1
PDF
Publication page1a690ce1f40f2ea92b54b053c4aca73f4001639ae65c46f5918060a1e982a690
Manifestc8a197f82262551a96a97dd9937d39c76dd59e6f42bb9e1a48ddac91771bbebc

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
SignatureZjUb+q4pg4E1of0WArX+x449sTkXDiOumrMFP7/BM4UafsdzF+5Q0MoSkycAoJym8dSxPAccCZKFOI4MNWZVBQ==
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

2026-09-17T11:26:28.781881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036228
observed 1a690ce1f40f2ea92b54b053c4aca73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.764010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036228/manifest.json
observed c8a197f82262551a96a97dd9937d39c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.745575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036228/publication.md
observed a76f12cf89f3d5b9a55a3258a901c4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.724421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036228/publication.txt
observed 8fd28aa335da95a4f8c1f392cd5149ba...
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.