OpenTechnical

OT-2026-000081603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, sustained blow-off before 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-2026-000081603) never changes.

Identity and time

Publication numberOT-2026-000081603 · never reused
Internal UUID01a0ae97-0f72-7794-a385-78b34458b26f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081603
StatusPUBLIC

Content hashes

Canonical text42ea5f9d3007198889d00ec9f775c1f5b6491a7f6b3534859b34c6d512374e6b
Markdown9e49ae0218988df0e67136ca6b057d789ab219c57283a1990533f0bdec3c622c
PDF
Publication page0d0b0d62bca94ac99390daa25050afec6105e452b1c58fb6e5b693088d3921bb
Manifest45e87eb685ddc0c0bb00e7fcdc562a839b455d41295babd77b13ec4a5b4b0389

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
SignaturepNH7U1LfUAC+scZnJLTEiinC/C5TDMF+rh+eqFz2P99XglwVVgtGSdqB8BlsSNJCvQQyLqgVHMwcSZ5k6bYdCQ==
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

2026-09-17T09:59:38.487561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081603
observed 0d0b0d62bca94ac99390daa25050afec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.468298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081603/manifest.json
observed 45e87eb685ddc0c0bb00e7fcdc562a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.446110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081603/publication.md
observed 9e49ae0218988df0e67136ca6b057d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:38.426774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081603/publication.txt
observed 42ea5f9d3007198889d00ec9f775c1f5...
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.