OpenTechnical

OT-2026-000034907

Publication integrity record

Foam pad 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-2026-000034907) never changes.

Identity and time

Publication numberOT-2026-000034907 · never reused
Internal UUID01a0ae76-1ed3-7c02-8116-8f91db8e56a3 · 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-2026-000034907
StatusPUBLIC

Content hashes

Canonical text6c7c3093d119cb6495001c372108b2b180abd56f20537f4947729ee2b7f1ef3c
Markdown0e565c61cdc3ef09a51ab690033c0fc24936f1153f97bb47f67b918a00fd449f
PDF
Publication pagee22c16450481a8bb8c943a23f247fff14ef51828af4e11c54acfd92496f447d9
Manifest1511a5c1dcf680bc0a8a34265cde375d11ed56b127285883b8d7ae85e0e34ee0

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
Signature2xgdI+tHfkqEvk0QDqfqtwNqApbQPKVsZ1vPcVFSHXtVlK1RRUF2Pz2wPk9RU9nz4OSq+QvlYsxbZkOMmx19BA==
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

2026-09-17T11:30:34.189142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907
observed e22c16450481a8bb8c943a23f247fff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.172738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/manifest.json
observed 1511a5c1dcf680bc0a8a34265cde375d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.155940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/publication.md
observed 0e565c61cdc3ef09a51ab690033c0fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.138907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/publication.txt
observed 6c7c3093d119cb6495001c372108b2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.060002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907
observed e22c16450481a8bb8c943a23f247fff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.041039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/manifest.json
observed 1511a5c1dcf680bc0a8a34265cde375d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.022766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/publication.md
observed 0e565c61cdc3ef09a51ab690033c0fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.004940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034907/publication.txt
observed 6c7c3093d119cb6495001c372108b2b1...
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.