OpenTechnical

OT-2026-000036277

Publication integrity record

Single cup 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-2026-000036277) never changes.

Identity and time

Publication numberOT-2026-000036277 · never reused
Internal UUID01a0ae77-01d0-727c-97a1-c0ca66a0d582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036277
StatusPUBLIC

Content hashes

Canonical text13d4f219a57bae487f9e7a6e5954ddf1273724cc3b505dd0acf07f0a4039fd30
Markdown8e3ee63c9d040c33487a69cd2f20b3bcdbeeced894d2e1b463cd1f6774674090
PDF
Publication page8d66e2ec34a68fbac6911d45bba2a32a328c0e9bf3d119a5ceb5ea625870b5f4
Manifest54a969ea0c0ee8f5f24350cc3e80fe452f4df3bff9cfd4622d93ddb92c1d2dd1

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
Signature9Qs01yZo0kzYpOk9Fd2BBWecOBGwEcc5/CGamydyfmc89qOFTTkQe6HcO+HcMEF4GpaolwvS8YQxRqyy14xnDQ==
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

2026-09-17T11:26:32.355396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036277
observed 8d66e2ec34a68fbac6911d45bba2a32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.337164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036277/manifest.json
observed 54a969ea0c0ee8f5f24350cc3e80fe45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.317987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036277/publication.md
observed 8e3ee63c9d040c33487a69cd2f20b3bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.298066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036277/publication.txt
observed 13d4f219a57bae487f9e7a6e5954ddf1...
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.