OpenTechnical

OT-2026-000038794

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000038794) never changes.

Identity and time

Publication numberOT-2026-000038794 · never reused
Internal UUID01a0ae78-769f-7e74-a9fe-1d9880218d55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038794
StatusPUBLIC

Content hashes

Canonical text7b8868f5162478852bd79760a281cef6410260989d852480f707627063229ba1
Markdown53585416535821b282450e2fe9022e909da34c437fa38039b7f0dc5b697e1ede
PDF
Publication pagefce0ed52264649d18da8a8e6dc7242c6c93f0ed24e2eccb82ffcb86732d61248
Manifestfa6eb309ac7c892cba90fbcf4bc05d43b8e748b8bfae2bffd65bc47554f04e97

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
SignaturebEI6PYcUp3OSHjlpJ9ExNyoKnIOGEIF0TEOOz6NYYhMohAbUuhKb8WkMNO7bkm7ynBzibKPi4vat9Sy0BOziBA==
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

2026-09-17T11:21:20.752881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038794
observed fce0ed52264649d18da8a8e6dc7242c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.734649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038794/manifest.json
observed fa6eb309ac7c892cba90fbcf4bc05d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.715886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038794/publication.md
observed 53585416535821b282450e2fe9022e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:20.695492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038794/publication.txt
observed 7b8868f5162478852bd79760a281cef6...
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.