OpenTechnical

OT-2026-000029367

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000029367) never changes.

Identity and time

Publication numberOT-2026-000029367 · never reused
Internal UUID01a0ae73-5e20-7833-8da2-e60cbbc650b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029367
StatusPUBLIC

Content hashes

Canonical textd96d828553784783b57007a871cebdeeec4360072d7e7e769b76f2be1ba1edf6
Markdown3caa803a8f3879c8014a4cd99f3796ba3f8cb9745d57a3de7629ab7ef7aa441d
PDF
Publication page06bec3df3af20f2aa020477a38a45f2550b736ec7687c678c12d3552dda7a8c9
Manifest526493a04864d5c0448d6e780e52eddebe8592e721843cd6a92e96e40c748e67

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
SignatureOW+JYfdZm1VEB6W7pAJrAw5QloUf4KvVcpgaJL3O4cUjNN0eC+gN88tXQBNBufZMqny5nev4kcXynQDHJNyUAg==
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

2026-09-17T11:38:54.743201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029367
observed 06bec3df3af20f2aa020477a38a45f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.723688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029367/manifest.json
observed 526493a04864d5c0448d6e780e52edde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.703403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029367/publication.md
observed 3caa803a8f3879c8014a4cd99f3796ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.686824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029367/publication.txt
observed d96d828553784783b57007a871cebdee...
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.