OpenTechnical

OT-2026-000032872

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000032872) never changes.

Identity and time

Publication numberOT-2026-000032872 · never reused
Internal UUID01a0ae75-4842-7e2e-89d6-bcee18f96ad6 · 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-2026-000032872
StatusPUBLIC

Content hashes

Canonical textc4f4a0fc405b0b4bfceb42a5f93f680d33f436c17011d8253e60f84da4871839
Markdown02861114dc57ced46397d8bd35f64286a2521f0d6d0bbf6c28bbe2c0c7868a0a
PDF
Publication page04ba398eddb43ba5e2bb1ee3b0866231d4667cb89336db4bc4240397d986030d
Manifestf5192366c8da3ae6cfa2e68206e8865f20245937f3b78dd3f77e315f6c406cbd

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
SignaturezzsraFguSdRwn/wjo3kgD9cXjFF/eC1fVmc78wQ+rP6mJcroycYYhe3qaR6AEKZjVsKxDfChFN1B7yAu55CYCw==
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

2026-09-17T11:32:27.015061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032872
observed 04ba398eddb43ba5e2bb1ee3b0866231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.991245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032872/manifest.json
observed f5192366c8da3ae6cfa2e68206e8865f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.972092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032872/publication.md
observed 02861114dc57ced46397d8bd35f64286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.951217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032872/publication.txt
observed c4f4a0fc405b0b4bfceb42a5f93f680d...
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.