OpenTechnical

OT-2026-000038353

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000038353) never changes.

Identity and time

Publication numberOT-2026-000038353 · never reused
Internal UUID01a0ae78-2d52-7167-a0b5-cd4bb0709aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038353
StatusPUBLIC

Content hashes

Canonical text969792005e1bc1f0fd7fbe499714b51fde1103e4bec5b951fee614941c7f1dc8
Markdownf3d17b3242758b1be199d3f16b9a3b09855a404ee41cdf93a26a448d018a2bd3
PDF
Publication page8526a92ddea1735f56126636c7c5cbd0acf8bc843af47337eaee93da0555cd82
Manifest53b0931952e5586be2df714d463880c288b16402316d7bfb52d3c86c9244fdf9

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
SignatureFH9iaIHs6Esj/Nwt0SZgiuYIv2JO8rwF+faf/kVemYW43fa2qLlZx0YJZb3RyxCux8pKvIX3i80RzgUedp3mDw==
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

2026-09-17T08:42:08.223021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038353
observed 8526a92ddea1735f56126636c7c5cbd0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:07.811555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038353/manifest.json
observed 53b0931952e5586be2df714d463880c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:07.469768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038353/publication.md
observed f3d17b3242758b1be199d3f16b9a3b09...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:06.993585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038353/publication.txt
observed 969792005e1bc1f0fd7fbe499714b51f...
fetched by grabo-systems from 34.44.131.203, 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.