OpenTechnical

OT-2026-000064619

Publication integrity record

Foam pad 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-2026-000064619) never changes.

Identity and time

Publication numberOT-2026-000064619 · never reused
Internal UUID01a0ae8d-deb8-7426-ba9c-03a5e683f1ce · 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-2026-000064619
StatusPUBLIC

Content hashes

Canonical text0adaf08e598cef8670c1da2e3724ead5c43a30dc8960877879457f9273418565
Markdown477a9bb8c70466cda4f688f7f06dc6dc8295e8bdb2991733fd865987cc115686
PDF
Publication paged3f75a2f2897f20dd074824a0ae193c2b2014b759f55e1ec2b1975861f626c41
Manifest10a88e03cf4d27bcd91fe71d4987ae140a742a1ef9a37fa0cd03fa932632c2c5

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
Signaturescb7hmSw3k7TvvbEFchVq8o0Przal5IvoT2CFXDQzf9bB7FioLWEZ/dh8xMJLkjIQSeVF5RUIyhbfCwWj6EXCw==
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

2026-09-17T10:35:23.893901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064619
observed d3f75a2f2897f20dd074824a0ae193c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.875850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064619/manifest.json
observed 10a88e03cf4d27bcd91fe71d4987ae14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.857599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064619/publication.md
observed 477a9bb8c70466cda4f688f7f06dc6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.839600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064619/publication.txt
observed 0adaf08e598cef8670c1da2e3724ead5...
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.