OpenTechnical

OT-2026-000064979

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064979) never changes.

Identity and time

Publication numberOT-2026-000064979 · never reused
Internal UUID01a0ae8d-debe-7492-ba6b-78ee86d10153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064979
StatusPUBLIC

Content hashes

Canonical text42d2a0333b07ef951332a9ce83d478341317b9c8f2fdaeea63a5713b09537ff0
Markdowne47954708d1188cdf761c96144e992ee43520d3aa8d1ca6448a58e6ee68da750
PDF
Publication pageef830ff66eb9aadbf6308dff337930dd49f407bf599978c2fa63805374dbd662
Manifestf97c040521b8c2f7345936ecd641f27c738d3b277bce7ae26a8042071abbe24a

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
SignaturemazfudFdZU9jXKnmex1/n3dYRrW+jp7q1HaJVj9mS5rpXH6SKE3SnQmjMXflwHYAz0UeW0L3LnkMWh2KaDPgCw==
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

2026-09-17T10:35:55.636720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064979
observed ef830ff66eb9aadbf6308dff337930dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.618258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064979/manifest.json
observed f97c040521b8c2f7345936ecd641f27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.600648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064979/publication.md
observed e47954708d1188cdf761c96144e992ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:55.582697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064979/publication.txt
observed 42d2a0333b07ef951332a9ce83d47834...
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.