OpenTechnical

OT-2026-000034879

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000034879) never changes.

Identity and time

Publication numberOT-2026-000034879 · never reused
Internal UUID01a0ae76-1ed3-7057-95a5-7803c2fb6bf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034879
StatusPUBLIC

Content hashes

Canonical textdee6d93ea8a8c2314abcb8c87bd68e46095ec3b4c0208209283f45372aaaffe8
Markdown5bbc58d6ba8115dd036146e5515c7f46588c23d84fbf0ce16aa136cfe54c3bf2
PDF
Publication page1e61141426711f41a6d53d5f0da35c6ddb5b7d6415e88dd877285a3e05b66dcc
Manifest08c7475f99b8d07c14e928d25eba1090018acc3fed2c539a5a29baf44a33948a

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
SignatureUBqOqowhcsKuX5iDZWd/tRMe6sVfimXG0gzmQYqv+zNb2HX7ASxYNfJmV9+aQsxm/LgMy54FrMaXPg/vidMqAw==
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

2026-09-17T11:30:32.045360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879
observed 1e61141426711f41a6d53d5f0da35c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.026250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/manifest.json
observed 08c7475f99b8d07c14e928d25eba1090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.008830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/publication.md
observed 5bbc58d6ba8115dd036146e5515c7f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:31.993329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/publication.txt
observed dee6d93ea8a8c2314abcb8c87bd68e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.902530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879
observed 1e61141426711f41a6d53d5f0da35c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.884675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/manifest.json
observed 08c7475f99b8d07c14e928d25eba1090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.866881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/publication.md
observed 5bbc58d6ba8115dd036146e5515c7f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:52.850718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034879/publication.txt
observed dee6d93ea8a8c2314abcb8c87bd68e46...
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.