OpenTechnical

OT-2026-000064627

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000064627) never changes.

Identity and time

Publication numberOT-2026-000064627 · never reused
Internal UUID01a0ae8d-deb8-78f1-b332-279711e26504 · 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-2026-000064627
StatusPUBLIC

Content hashes

Canonical text74c689b836732e3466e10d352fe2a88c93c4bf3777625b79f7cee0d7b72228a9
Markdown4a0b9812ab133938427f94ffe648468d8941a2c2ef412cafd1523ad39f2405d4
PDF
Publication page0b5a0f15bf7c811a74297700df209bccd07540f44c06bbf4de449702f570118e
Manifest59d7582df2adc11428ff403f22b40edc19f68663b49344e27f36728452259c49

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
SignaturevoIAqCL/PeJULjcpOFuEMDolrp2U2bM++9og0/F7KxhFZgHsFQY9xItJsyitOgM9TFZ/Y8KIei3cNgB5HKo5Dg==
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

2026-09-17T10:35:24.482932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064627
observed 0b5a0f15bf7c811a74297700df209bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.466973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064627/manifest.json
observed 59d7582df2adc11428ff403f22b40edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.450296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064627/publication.md
observed 4a0b9812ab133938427f94ffe648468d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:24.433151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064627/publication.txt
observed 74c689b836732e3466e10d352fe2a88c...
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.