OpenTechnical

OT-2026-000029874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000029874) never changes.

Identity and time

Publication numberOT-2026-000029874 · never reused
Internal UUID01a0ae73-ac47-7080-87e4-79d4b3c915bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029874
StatusPUBLIC

Content hashes

Canonical text336d5b5da6637c6ac81b146b6abcf7f71e5233d1a81fd54ba6ff778fb2f7b8ad
Markdown6bd18406d90e9c73e8f25c0df9b80872835d1fa96ec22f489c0beec62e8b04e0
PDF
Publication pageeeca1a9eb4f0c8e3760e9a3edaa234bb43a621bdd6820858c74ae799c4ed2a6c
Manifest5a2c83452b78eb0837f0491f24a34313e8fabbbce75e67e528529b22a4a5f3d7

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
SignaturehyiGS3urfaq2pIHf9LIsYUNBhsLODVbfevqv6mzfBxqZDxyK+IjtY8kSLOo0zj7K1QWkX3Afua0HmE2UgOKqAA==
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

2026-09-17T11:38:34.250617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029874
observed eeca1a9eb4f0c8e3760e9a3edaa234bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.234322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029874/manifest.json
observed 5a2c83452b78eb0837f0491f24a34313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.216864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029874/publication.md
observed 6bd18406d90e9c73e8f25c0df9b80872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.187798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029874/publication.txt
observed 336d5b5da6637c6ac81b146b6abcf7f7...
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.