OpenTechnical

OT-2026-000029494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000029494) never changes.

Identity and time

Publication numberOT-2026-000029494 · never reused
Internal UUID01a0ae73-5e21-7c28-817d-e62b3032ca96 · 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-2026-000029494
StatusPUBLIC

Content hashes

Canonical textdf80ba14e0edbb62851a37b0152442e4bfb1785667d5799a86989915f71f8261
Markdownadeaa0be0ff790ea2632ff80f6f78f627830bd252d0460a590d1b76a42548c5b
PDF
Publication page2f3a14cd2dd3b7f84ac592668e5b0ba01b667a7cf5b4954efb853522dfab0eb9
Manifest2a057839416944dc3cf9f36d0900895dfa9b458ffd8069c4892030b8f087c5f5

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
Signature+oJP9mP6g1r70xmYINnF7CQfSbF5Dl+G0p7R94gnE+/d3IJuzIjmyrhEpSYxtnJTjOmOsQUD6bSLMXo+B0LHAg==
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

2026-09-17T11:39:07.471361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029494
observed 2f3a14cd2dd3b7f84ac592668e5b0ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.453545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029494/manifest.json
observed 2a057839416944dc3cf9f36d0900895d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.434751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029494/publication.md
observed adeaa0be0ff790ea2632ff80f6f78f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.416768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029494/publication.txt
observed df80ba14e0edbb62851a37b0152442e4...
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.