OpenTechnical

OT-2026-000033160

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-2026-000033160) never changes.

Identity and time

Publication numberOT-2026-000033160 · never reused
Internal UUID01a0ae75-4844-7282-843b-e7c596b7fcfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033160
StatusPUBLIC

Content hashes

Canonical text1194f8da280239e2c26eee0033516269f475fb2905d4dc41cc783e178bce2191
Markdown66502891cf7ef3838facc63dbac06dadba30d6ec510e09b76edf80f0fd5e657c
PDF
Publication page04ab6643947e31ba04abbf121ffbfda7bbcb26c44d62daef24919624bc057961
Manifest8758ba3b14dd57ab91733325fbcace1e422d7864ab467aba72ba71ea0efff5a7

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
SignatureghPCsK4/OPQUo5ukwUmV5rhkVsCRU5OLEtv2fBbB5W14NGuR2co2K8WRwnjLjQjUSjnK4TtFVdmPjziPJJFJCw==
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

2026-09-17T11:32:50.913637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033160
observed 04ab6643947e31ba04abbf121ffbfda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.896674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033160/manifest.json
observed 8758ba3b14dd57ab91733325fbcace1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.880218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033160/publication.md
observed 66502891cf7ef3838facc63dbac06dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.861255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033160/publication.txt
observed 1194f8da280239e2c26eee0033516269...
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.