OpenTechnical

OT-2026-000025105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000025105) never changes.

Identity and time

Publication numberOT-2026-000025105 · never reused
Internal UUID01a0ae71-5fa5-71ce-8dfe-266b68849c80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025105
StatusPUBLIC

Content hashes

Canonical textf4ba0602a80233ebbd35099fa2b6e3e17cfdbd0130345abb82cbdc0b87e98d79
Markdown1309849cc27ded9defae0a36ac78354807c3f7eddc224e2026973213d9dda877
PDF
Publication pagece77129e087d4724f746839a432e388eaf7c7a59310e4a8e18c4157c2a0ff28a
Manifesta74ec285970401085547172c50cf1e6df441ab1e4ccd7d61add58aef41ba7afa

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
SignatureD/fkqtd1HX7ruBwVmYoc6a3lKRoFrWG3V4V5R5bpfJ4EYcwCVkY8SKcDzrqyesDi5vWZfH18e8XXhgk2NrUqAg==
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

2026-09-17T11:46:58.584390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025105
observed ce77129e087d4724f746839a432e388e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.566781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025105/manifest.json
observed a74ec285970401085547172c50cf1e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.549205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025105/publication.md
observed 1309849cc27ded9defae0a36ac783548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.530513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025105/publication.txt
observed f4ba0602a80233ebbd35099fa2b6e3e1...
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.