OpenTechnical

OT-2026-000011200

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented 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-2026-000011200) never changes.

Identity and time

Publication numberOT-2026-000011200 · never reused
Internal UUID01a0ae6c-540f-73a8-bc77-dbd66fca66df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011200
StatusPUBLIC

Content hashes

Canonical text82556c4f1d646529592d0467d1fd5a54a5216e316602878ab200c8fc6c61fdab
Markdown57ba88ee8d685789a48eb542747d533224fbdda6618f1dabca6805b9e17a510b
PDF
Publication paged8c0bdb6d1fd8999408572f855d76c3c5e041a3bd7860beef56f5bfb754f77b6
Manifest961086d59adfc3ce8c89d171bc0b1d99a2ce7e2882dcd6b672e9a31746e6f01e

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
Signature1mDdzr/2EIRPVzFJyilDTlTQ+HClRtQRtWwMExM4iSVmvfcV7ZBfPBVyndCU+wxjcvTZ2YdFzuV8fCj0KqYkDw==
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

2026-09-17T12:14:08.944501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011200
observed d8c0bdb6d1fd8999408572f855d76c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.926649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011200/manifest.json
observed 961086d59adfc3ce8c89d171bc0b1d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.909273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011200/publication.md
observed 57ba88ee8d685789a48eb542747d5332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:08.891538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011200/publication.txt
observed 82556c4f1d646529592d0467d1fd5a54...
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.