OpenTechnical

OT-2026-000012635

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000012635) never changes.

Identity and time

Publication numberOT-2026-000012635 · never reused
Internal UUID01a0ae6d-5561-784f-9c3b-8c99674d5fe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012635
StatusPUBLIC

Content hashes

Canonical text88de8687dc142d98b6390857b8ac5199f83aad4a062986e5d79c610720d48849
Markdown0d7f1db570a7a2c01fa625657b0a3265f6eac843a1836c9cb5c080e7d1e3ae48
PDF
Publication pagec993ae541844513129305d9aed0c9318e4dd15667a0870ce037105b5825d0c69
Manifeste8523f1cd80827edc91ec4c2c4e3ab30f0d1ba7209ee7363c264ad62e6327d0f

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
SignatureUPPMd0o4xs8pwadneCj4a3UKrOCbD7uEvapIZxTBryrLPK9DR83OIZOlIHDLW2TdwqR5y+sIHKCeLN3Mb7qyAA==
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

2026-09-17T12:10:15.787314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012635
observed c993ae541844513129305d9aed0c9318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.764568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012635/manifest.json
observed e8523f1cd80827edc91ec4c2c4e3ab30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.740421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012635/publication.md
observed 0d7f1db570a7a2c01fa625657b0a3265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.682271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012635/publication.txt
observed 88de8687dc142d98b6390857b8ac5199...
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.