OpenTechnical

OT-2026-000022235

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000022235) never changes.

Identity and time

Publication numberOT-2026-000022235 · never reused
Internal UUID01a0ae6f-f4fc-779b-bc8d-b70b446d8f07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022235
StatusPUBLIC

Content hashes

Canonical text20cc04b050b0ba2aa33dfb7124f0745aa3c0bed867d74f41cd973fdb8a8a8b0a
Markdown560c245a3b08c15a2869447e83ed58b4a81b7d3ffeffac12603d33063f197f00
PDF
Publication page6a95a31092cdf466293292845b8e6d5fa39662fe784d24e60b0c1beab409bbcb
Manifest83abb2574023f83015a622144504a057438deae02bc163fe68548f76b48a106b

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
SignatureOpCUt3WbL3e5+O10V+9bT1UW/RjKcjo9fTRNEf4AfG8JS2GmmFsYiVVsV1XDc9yz0zTNMAWUAk9FryIbA+yHBA==
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

2026-09-17T11:52:55.682926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022235
observed 6a95a31092cdf466293292845b8e6d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.664175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022235/manifest.json
observed 83abb2574023f83015a622144504a057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.647339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022235/publication.md
observed 560c245a3b08c15a2869447e83ed58b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.630188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022235/publication.txt
observed 20cc04b050b0ba2aa33dfb7124f0745a...
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.