OpenTechnical

OT-2026-000008166

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000008166) never changes.

Identity and time

Publication numberOT-2026-000008166 · never reused
Internal UUID01a0ae6a-908c-7c2b-b1ad-1a6cd7f3bef4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008166
StatusPUBLIC

Content hashes

Canonical text46846bd195d48ef49884dbdbd0fc48b6e35bc2783b804a615f831746c6a29eee
Markdown8f88ac8dcbe696507a8e904adb9d34d3c925737d835cea423e996ef141179bb8
PDF
Publication page61e45ab81294a85d67e859fc7a1aaceec8664c2db4f50a0333080ce6c9b36ab9
Manifest97a0e43802199e03568a50cdb6d92e23088e50cf29e81eaa671175987ded544b

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
SignaturefOP70ASFE/z38tiNNyGABSQKcxVxH0aieRJFTAjoLEpEIeTl31Zmmyt6E+uz7WCBb+yauWZZRwmEc3/DLkC0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.725167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008166
observed 61e45ab81294a85d67e859fc7a1aacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.704153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008166/manifest.json
observed 97a0e43802199e03568a50cdb6d92e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.687167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008166/publication.md
observed 8f88ac8dcbe696507a8e904adb9d34d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.666556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008166/publication.txt
observed 46846bd195d48ef49884dbdbd0fc48b6...
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.