OpenTechnical

OT-2026-000033438

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000033438) never changes.

Identity and time

Publication numberOT-2026-000033438 · never reused
Internal UUID01a0ae75-a38d-7f62-bed0-aa4335fdcc83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033438
StatusPUBLIC

Content hashes

Canonical text7f2a949f6f53eff23391565a879dfabcee17ab51f2abb425bf14c46de594c47c
Markdown946716a15126d580ef1f8d535a9b59548592bf23dc163917b7742ffea135a985
PDF
Publication page871adf61a3047655ba0fead02a446dcc22f2804b75069b847d7545b3be20f652
Manifest2a434a4cb2cf6e67e65ee9663bef4f55f89334c3e1187b323b5c1bfd3da4e2ee

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
SignatureZD4hEUqh8iHE2PzEN4TwPlaKecAsAHjRS782yNf8wvxI15qlqLyY2B51hc9uEtTH9hND00XCH2yinPCWoiciCw==
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

2026-09-17T11:31:16.129206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033438
observed 871adf61a3047655ba0fead02a446dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.109172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033438/manifest.json
observed 2a434a4cb2cf6e67e65ee9663bef4f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.091768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033438/publication.md
observed 946716a15126d580ef1f8d535a9b5954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.073836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033438/publication.txt
observed 7f2a949f6f53eff23391565a879dfabc...
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.