OpenTechnical

OT-2026-000103187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000103187) never changes.

Identity and time

Publication numberOT-2026-000103187 · never reused
Internal UUID01a0aea4-be3e-7cae-84f1-aef32ba0afec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103187
StatusPUBLIC

Content hashes

Canonical text4957300e43aa98451363f0c2c7c042257434d2efb51bef02920ea5faeffb045c
Markdown45ffec8a02350b5f7f3126e423cd121417c686b7a43f092bee7a1feb81f6a321
PDF
Publication page91c3d226314cb43bcf0ebdcd10627792d67cf525c3a6b1096f6bfefeb053d2f3
Manifestc8962a14ab9131cf215b0b56ee36f30593512ee1740e8cbe8b531141861b5040

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
Signature98i7WHwDHZAyJDAMp4ZiCJ0mAcVkIRtaKSRF8gU4pCb1CU4IiEilQd1n6AU3LA6Y+Ohb/iaoz+jc3b6EuLCIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:24.564834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103187
observed 91c3d226314cb43bcf0ebdcd10627792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.548135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103187/manifest.json
observed c8962a14ab9131cf215b0b56ee36f305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.518882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103187/publication.md
observed 45ffec8a02350b5f7f3126e423cd1214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.488221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103187/publication.txt
observed 4957300e43aa98451363f0c2c7c04225...
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.