OpenTechnical

OT-2026-000047245

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000047245) never changes.

Identity and time

Publication numberOT-2026-000047245 · never reused
Internal UUID01a0ae7f-3e56-780d-a31f-c0a1281b1eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047245
StatusPUBLIC

Content hashes

Canonical textfc3cb7351c8d59c4f4c9e457d1f1f68bd7d61eb12e73f09d18e08c7059d3133a
Markdown4e18723ea89b16f083bbb80b084bf9ce294b10fd05b598c87c4b032da935adc6
PDF
Publication pagee06521f3f932bd9d15b36cc9413258533139f1a9ed766200302bf57f470a4c64
Manifestd2025acdea5f4c2348c2f683cc36314faf773424cb5a11e72d66006680dbf6fa

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
Signature6pNGZ79ff93W/HP3+V0lPveWa+vrbnSfG3c7JIbFWenK1RLb8fB+cK3CFt6f2SU+7/24bjm0GHmlJrD81y8hDQ==
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

2026-09-17T11:06:12.205939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047245
observed e06521f3f932bd9d15b36cc941325853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.186757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047245/manifest.json
observed d2025acdea5f4c2348c2f683cc36314f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.169460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047245/publication.md
observed 4e18723ea89b16f083bbb80b084bf9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:12.150109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047245/publication.txt
observed fc3cb7351c8d59c4f4c9e457d1f1f68b...
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.