OpenTechnical

OT-2026-000025645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025645) never changes.

Identity and time

Publication numberOT-2026-000025645 · never reused
Internal UUID01a0ae71-9bc9-79a8-905b-fa31ee95d35c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025645
StatusPUBLIC

Content hashes

Canonical textb668bc0aedf84af858c3cce0684d6dcc1ff946cc1ec259f33bb0b70f35a1cc1a
Markdowncdc0c7aa9bae0a17c22dcf26d2322683025705f239d6b0eab9d7fa0d66854913
PDF
Publication page1451fd69bbbc9f57dcdb1d99122931808dea262ff70ac313679f4583b68a77da
Manifest49e419ba6e27187fdc952a2baca9da036d3da2413315e2ded9f68d0b08e0acdb

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
SignatureswT5p1/1BcX3EuouW7HRAHww0pVZtPwQdcGblvyZvtfIsn0T7P14bCT652r5KKf5r07XCNV2kv1A05XjV0dsBw==
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

2026-09-17T11:46:50.838129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025645
observed 1451fd69bbbc9f57dcdb1d9912293180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.823933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025645/manifest.json
observed 49e419ba6e27187fdc952a2baca9da03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.808188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025645/publication.md
observed cdc0c7aa9bae0a17c22dcf26d2322683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.787164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025645/publication.txt
observed b668bc0aedf84af858c3cce0684d6dcc...
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.