OpenTechnical

OT-2026-000081295

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained 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-2026-000081295) never changes.

Identity and time

Publication numberOT-2026-000081295 · never reused
Internal UUID01a0ae96-f374-7b59-aa92-64cb0d65449b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081295
StatusPUBLIC

Content hashes

Canonical text1481eea6c4073b9da031327400c12829597a3020b4a89e4732ead6b10fd4d51b
Markdown9bcf1af5b220c28325e1d1d188cf6a80904e50276088842b1ea20dc05f5b54e1
PDF
Publication page32720a5b798c12436a5e6df9a8cce086e6e57d796b5d46dd46aaf8cfcb2211b5
Manifestb85332bd22e689ea364ab99aa770be26b10550d7ce075f8461e94368bf01c93d

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
SignatureDagjvArGElrFQOvPJqrPPc1h+e0PtM+SIDxIBUM8eMxD4p91nHDRtLASx2JenZkqzNySiJuDb0KlxidvdyTzBQ==
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

2026-09-17T10:01:24.294677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081295
observed 32720a5b798c12436a5e6df9a8cce086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.276243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081295/manifest.json
observed b85332bd22e689ea364ab99aa770be26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.257262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081295/publication.md
observed 9bcf1af5b220c28325e1d1d188cf6a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.236666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081295/publication.txt
observed 1481eea6c4073b9da031327400c12829...
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.