OpenTechnical

OT-2026-000049206

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000049206) never changes.

Identity and time

Publication numberOT-2026-000049206 · never reused
Internal UUID01a0ae81-134f-78ee-ab64-9501b0e46ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049206
StatusPUBLIC

Content hashes

Canonical textc3556f42c16fe6063bb930f672b917fc0b049f7509f72f143d5e0d09f5f9ee6a
Markdownd08950cf3bf92796720ab5c5853fce2e521f2fd9afba0a0508d8d22ca4caf59d
PDF
Publication pagedb63601afe8333b1213d5b520efa9e514f7b79862d86ad512885ec3e722806a2
Manifest25198a2c2f5c7ad8d44f956db264593fdb2f9161a4a4ad757b372736fb79ee2c

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
SignatureGnnrDvUKRS1F/qh3rNixcIRmMfbIxw24YhvW/CCblWw3sFz2n5aRq7CtxqBcQ79UrbEBi1rE1wJ98JICqJqZBQ==
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

2026-09-17T11:04:01.264141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049206
observed db63601afe8333b1213d5b520efa9e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.244448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049206/manifest.json
observed 25198a2c2f5c7ad8d44f956db264593f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.224656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049206/publication.md
observed d08950cf3bf92796720ab5c5853fce2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.203119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049206/publication.txt
observed c3556f42c16fe6063bb930f672b917fc...
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.