OpenTechnical

OT-2026-000069805

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069805) never changes.

Identity and time

Publication numberOT-2026-000069805 · never reused
Internal UUID01a0ae91-185f-71b7-b7a1-c9766cc2df26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069805
StatusPUBLIC

Content hashes

Canonical texteaea4f32e92b5ce696b1bd5a25bfdfc8ad274248c774d4c1ce14779cb117bf55
Markdown7ec01c80309c2c2e4fd934d72bfadeca63304ebc1cb9071af571a1454ea89d4b
PDF
Publication page137f7687f56905105051945e025bb185a7de3b523f7ee6c0060f2dc6462f6a81
Manifestf16d57c3ec7725f4727facf3aeb71cb89164e05178706d2f269851bde34e973b

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
Signature+I0J0mQXJnHwfvrht9RGDv0eybUfR40SCe3ih6BggDCjk7gHyy1LtawqcqiYH+SAAJlxrYduDo0aFHttCavyBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:38.266320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069805
observed 137f7687f56905105051945e025bb185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.247867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069805/manifest.json
observed f16d57c3ec7725f4727facf3aeb71cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.230712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069805/publication.md
observed 7ec01c80309c2c2e4fd934d72bfadeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.212965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069805/publication.txt
observed eaea4f32e92b5ce696b1bd5a25bfdfc8...
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.