OpenTechnical

OT-2026-000021080

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021080) never changes.

Identity and time

Publication numberOT-2026-000021080 · never reused
Internal UUID01a0ae6f-65e5-71fb-b2c9-b2cd490156f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021080
StatusPUBLIC

Content hashes

Canonical text44ddecf841954cdbec62b6904f05305b88b33f65483384d3ce7e70e29f7d46c0
Markdown54debf082f15924ae90ca6ab36e5db077bcf0e919e5c6d5fe78d411aa0257be3
PDF
Publication page013c9d7135d82065eacc774621c6ccecffbb7fe6a5562be6ed2248e1ff7f62ac
Manifest94673ac61b7b2a9662b47960e22464ff9e84b2b0ba8fb1b29ec532292f9d06be

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
SignatureIxtOrYDN/6gBudkqn0VnAIbESekMOXfX9/4/hmYskmw2ijTTsKfNVBFRRj6L+vvFqFZzOS9wTO9/ItyWqOlhBw==
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

2026-09-17T11:56:15.297106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021080
observed 013c9d7135d82065eacc774621c6ccec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.273198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021080/manifest.json
observed 94673ac61b7b2a9662b47960e22464ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.253395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021080/publication.md
observed 54debf082f15924ae90ca6ab36e5db07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.229726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021080/publication.txt
observed 44ddecf841954cdbec62b6904f05305b...
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.