OpenTechnical

OT-2026-000035374

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000035374) never changes.

Identity and time

Publication numberOT-2026-000035374 · never reused
Internal UUID01a0ae76-6a20-72c9-a4d2-31281d366584 · 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-2026-000035374
StatusPUBLIC

Content hashes

Canonical text41ca0bc9971ea0a1362a2beaff9f164d22cfe5aab904c081833c0637953bc0c8
Markdown78bdb02780de04d72295fb0a554f610f8b1d408938f048f14dd703d5ad9389f1
PDF
Publication page4af6e0df4ee06796b514deab870a36dfb2b7d2b028d1df5732b2c1809fa59fb4
Manifest47c44c410fb3af40254fcf6610f77249d82e434e38b2052e8d1357c928380125

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
SignaturedcX9f5ajJkbNSPJ+GemufBok+8QGiDgVvuRqmrE0YN097NwcX83xtpUALP/iDZSLCOIGbt12L7ygcAqjS6XrAg==
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

2026-09-17T11:28:39.968147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035374
observed 4af6e0df4ee06796b514deab870a36df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:39.950849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035374/manifest.json
observed 47c44c410fb3af40254fcf6610f77249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:39.933867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035374/publication.md
observed 78bdb02780de04d72295fb0a554f610f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:39.915943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035374/publication.txt
observed 41ca0bc9971ea0a1362a2beaff9f164d...
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.