OpenTechnical

OT-2026-000061252

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000061252) never changes.

Identity and time

Publication numberOT-2026-000061252 · never reused
Internal UUID01a0ae8b-1382-7eca-b18f-e1a25eb973d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061252
StatusPUBLIC

Content hashes

Canonical text56caf156bed81e910f4a5f6c01db49ef5517684b69dd4e3069d2713a2c1f969c
Markdowndd591d32f05514bf5eb55893c463869209523eb0289caac9319c92e7375c2d47
PDF
Publication pageab8d31cb43d91108483a411c906ff36fbce719b6bd6972cf5c90827f10fbb63e
Manifestfff2adfb953175972d9cbc5f023b9a52393b52745e5001d46e2295c6cd7e2766

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
Signatureb2pEQfDQa1Nh6QYVnn5Qb43/Lmg9eUH8CSg2MGT42970Mcv1re5jM3Dhiq3RMapQcftau0iqoG2nboRFaJYJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:40.079422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061252
observed ab8d31cb43d91108483a411c906ff36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.062125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061252/manifest.json
observed fff2adfb953175972d9cbc5f023b9a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.042524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061252/publication.md
observed dd591d32f05514bf5eb55893c4638692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.023192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061252/publication.txt
observed 56caf156bed81e910f4a5f6c01db49ef...
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.