OpenTechnical

OT-2026-000010401

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000010401) never changes.

Identity and time

Publication numberOT-2026-000010401 · never reused
Internal UUID01a0ae6c-0ee6-72ba-a4b3-e0f6ab8cce11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010401
StatusPUBLIC

Content hashes

Canonical text34e867f1f4c1940183356c15774a196c28aad60741055ef19c4b9839000d0d23
Markdown84e6408615f67879b999e217b42457f8fa68daf18287ee2a938fbf72f9177a24
PDF
Publication page6b9083e9a44bf3d80bfca75ae3742c656c51bbad3ea667cad291777ff1afeacd
Manifest49ace1a53943e3300f847c4659aad6a0fbcd8b7a3fad9ec5261423aa0539ef1c

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
SignatureGcWq2tXHA3K0l2TXQnD1YtJHEz8nDPPfbC5fLduK8CLvZJYsBMT3xbd6m7WTmU8yweSmKRP0BRqYdRCJ/fLIAQ==
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

2026-09-17T20:44:24.961045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401
observed 6b9083e9a44bf3d80bfca75ae3742c65...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:24.820381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/manifest.json
observed 49ace1a53943e3300f847c4659aad6a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:24.573457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/publication.md
observed 84e6408615f67879b999e217b42457f8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:24.335335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/publication.txt
observed 34e867f1f4c1940183356c15774a196c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.453220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401
observed 6b9083e9a44bf3d80bfca75ae3742c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.433646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/manifest.json
observed 49ace1a53943e3300f847c4659aad6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.413552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/publication.md
observed 84e6408615f67879b999e217b42457f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:31.391572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010401/publication.txt
observed 34e867f1f4c1940183356c15774a196c...
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.