OpenTechnical

OT-2026-000026961

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000026961) never changes.

Identity and time

Publication numberOT-2026-000026961 · never reused
Internal UUID01a0ae72-3453-76b1-81e0-5e050940e473 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026961
StatusPUBLIC

Content hashes

Canonical text93d0b768930cc4f42cef76db5811a29452b609a35e833e987b0c778850248ce3
Markdowne1ec86b7f460b58a6fa478cfd4d81282fc2d14d52ef36fb01afab4bb52b6760c
PDF
Publication page6f77c1364abcee67a84b77c6910a8b9e0ef97ee6924d18b8b8d9080494ea1c52
Manifestad79e2890546098b9005bc5ad8518b9261b6dde06cd6653eecd9081475dfa262

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
SignatureMyWbnYM5dxiJcs09F7us14cONWMXZn6ns2z0Lu7LhCQTABTHNHAPimMTAA9TvAju2VrpSfccfMnIW5aUBoJpDg==
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

2026-09-17T11:43:35.000830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026961
observed 6f77c1364abcee67a84b77c6910a8b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.982656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026961/manifest.json
observed ad79e2890546098b9005bc5ad8518b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.966930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026961/publication.md
observed e1ec86b7f460b58a6fa478cfd4d81282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.950180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026961/publication.txt
observed 93d0b768930cc4f42cef76db5811a294...
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.