OpenTechnical

OT-2026-000102597

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000102597) never changes.

Identity and time

Publication numberOT-2026-000102597 · never reused
Internal UUID01a0aea4-858b-7abc-9a43-10139ddc83af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102597
StatusPUBLIC

Content hashes

Canonical textf5c6a54117f870883e4b8e4c5a503c1d8a0f103fa73847265a2471fdc210f1f7
Markdown1580fac16d276a282adf5a0dec51e4e144655868823a3901e54fc37158f82cce
PDF
Publication pagebd6c5af7af1ce7b50df8e06be68e2a71969f7d330b3e508e2d8c4ef525d97834
Manifest77fc2c83c5feff7a42892c3ca3dfa0d11e79698247386f901ee19c34bc503a74

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
SignaturebMa+Cjhmj9TZiDDbnW9TLTHfxcRYFkxWfGdn+9pVa0bA4tCQC+0uHxIdEhYETR3ShJcJc26y7/n8J3CBx7p0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:40.118900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102597
observed bd6c5af7af1ce7b50df8e06be68e2a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.101018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102597/manifest.json
observed 77fc2c83c5feff7a42892c3ca3dfa0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.067998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102597/publication.md
observed 1580fac16d276a282adf5a0dec51e4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.041395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102597/publication.txt
observed f5c6a54117f870883e4b8e4c5a503c1d...
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.