OpenTechnical

OT-2026-000102072

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000102072) never changes.

Identity and time

Publication numberOT-2026-000102072 · never reused
Internal UUID01a0aea4-50f2-7552-af1c-fabd8915df35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102072
StatusPUBLIC

Content hashes

Canonical texta6f79e2a166ac6fa10b6b8ada5e3916e1b790d1473f4ae71b200b40cc1c785c3
Markdownab45863377b1cd8e71c9de271352c8871499d2e5d015fa598660adb97d2ca719
PDF
Publication pagedbe64c57dec54e4acee707aada1df813813dd3853193958e75058e7ecfda92ca
Manifestcfd979c6b4afb0ad8b6ff7f88d45adc6c844ee360f70469507d22b44d4ff4a77

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
SignaturesjoUd4uJ+VY8grQLHmHWK30ZpU/QGcBm69ebpY8Vn3awRAX43DldXBCNjAQcR47PJFucsXDv3rkfLGb9cwbCAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:13.031380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102072
observed dbe64c57dec54e4acee707aada1df813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:13.011963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102072/manifest.json
observed cfd979c6b4afb0ad8b6ff7f88d45adc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.994692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102072/publication.md
observed ab45863377b1cd8e71c9de271352c887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.977394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102072/publication.txt
observed a6f79e2a166ac6fa10b6b8ada5e3916e...
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.