OpenTechnical

OT-2026-000029898

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000029898) never changes.

Identity and time

Publication numberOT-2026-000029898 · never reused
Internal UUID01a0ae73-ac48-7117-bcee-3b9ffa77db18 · 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-2026-000029898
StatusPUBLIC

Content hashes

Canonical text317df6c1a9d8e5ceb0765aa10e46bc8e9cd8fd7a1d7d38fc0266d54a17a4584e
Markdown390407f7db838cd45bd7127819cbf12075a4e05a48ab24e4f514e9e82c831bf3
PDF
Publication pagecb38e7ef64a51ce420969be9833788b5a74dd2b2e922b10c1b3076825e4f88e2
Manifestae3c68e3a4a44d504017ffd7f85b07969330da8b189e5fb15864c0403f7ae253

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
SignaturegDGjO8RtgZbinQplyFf9+xpAyU4xErDM1IKZlyg2+GeJrNIdD73/sO72VWSsCBBcmYYMQbXx5c6OMp6nKNB7CA==
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

2026-09-17T11:38:35.931926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029898
observed cb38e7ef64a51ce420969be9833788b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.916130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029898/manifest.json
observed ae3c68e3a4a44d504017ffd7f85b0796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.898380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029898/publication.md
observed 390407f7db838cd45bd7127819cbf120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:35.881305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029898/publication.txt
observed 317df6c1a9d8e5ceb0765aa10e46bc8e...
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.