OpenTechnical

OT-2026-000035089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000035089) never changes.

Identity and time

Publication numberOT-2026-000035089 · never reused
Internal UUID01a0ae76-6a1c-7a79-87ac-9d00765db084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035089
StatusPUBLIC

Content hashes

Canonical text1b345cd96d2fb0da7aba24c6c2d7d824a850a8c610b4e77e89b8a0620ed033fc
Markdownb79ebbe5a6047f3ff3024da16fdd2863f141528d3307f02cc49b980dfebf7d5e
PDF
Publication page5385719cee3c10f3a73e18b45eae19bd78ae2de7e783970ba56b091645aeb3b3
Manifest290990f30a7c3b9529b5463a1b2e852ba98ba8706ecc0af8ce89e63ed9ed38fb

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
SignatureV+W4wgN/WtbICHdviO9tuZYgjVXIll3XXaIYvDlVdkEjcxY0IMx9YRjbxj8DfDm9W+5rnLidG5/mv8GIUP9ADA==
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

2026-09-17T11:28:09.560620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035089
observed 5385719cee3c10f3a73e18b45eae19bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:09.542306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035089/manifest.json
observed 290990f30a7c3b9529b5463a1b2e852b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:09.522966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035089/publication.md
observed b79ebbe5a6047f3ff3024da16fdd2863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:09.504327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035089/publication.txt
observed 1b345cd96d2fb0da7aba24c6c2d7d824...
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.