OpenTechnical

OT-2026-000010110

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000010110) never changes.

Identity and time

Publication numberOT-2026-000010110 · never reused
Internal UUID01a0ae6b-cb7a-7933-b694-800782bd5847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010110
StatusPUBLIC

Content hashes

Canonical textfb61212a6abf63978adbaf6d6fe70ae315da4081c1f5ac5a9d2eb8f96e98a7de
Markdownbde0f45ce702ade147dd0f5e88ca1ed7a443c3f0e020abf5ec9c878aef191107
PDF
Publication page8b50d34cc8d8361eb3d9795e1b04d2c1a6cc14c9eb6b6f847884396e8a2e53c5
Manifest8a305fae20b7e0ec30ce50efe34b89cc5e1916334e147d9313d19e16cfbde851

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
SignatureGwdG9wOqtISYpYa29R6UHVrGa4tfpGsMqJr+GPb2eETFdf5erLgFUH4SlhY+5WsUyRFxtQ5f9Vrujs2q6yxzAA==
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

2026-09-17T12:16:12.004583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010110
observed 8b50d34cc8d8361eb3d9795e1b04d2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.986071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010110/manifest.json
observed 8a305fae20b7e0ec30ce50efe34b89cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.967090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010110/publication.md
observed bde0f45ce702ade147dd0f5e88ca1ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:11.946554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010110/publication.txt
observed fb61212a6abf63978adbaf6d6fe70ae3...
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.