OpenTechnical

OT-2026-000039139

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039139) never changes.

Identity and time

Publication numberOT-2026-000039139 · never reused
Internal UUID01a0ae78-9673-7772-af57-40cc04ee4a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039139
StatusPUBLIC

Content hashes

Canonical textcbab90c76a07944cd13b7e7eda413a6232b1e4f09779775d0611757113844b2b
Markdowndd103e96579240e1f469c26d711ae1f056bfd0c237d765c31c61c9a5d5f916b1
PDF
Publication page6335f6b997a2e8634ffb6a32d6b1958e299300026735fca56b6d75019330b132
Manifest220d89af88f449d8f638ffb7a638ce3278c4ce2a51027d4c9de844196a172a58

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
SignatureJUghXw/y3gJYRtzyIdn7mW5eZE5iwYBf33dIzOC8TNMnDKwZUiZk6EDDf/VFUBpYZu+ktJBonrwR630ZEgApAQ==
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

2026-09-17T11:20:38.784676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039139
observed 6335f6b997a2e8634ffb6a32d6b1958e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.768557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039139/manifest.json
observed 220d89af88f449d8f638ffb7a638ce32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.749411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039139/publication.md
observed dd103e96579240e1f469c26d711ae1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:38.727359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039139/publication.txt
observed cbab90c76a07944cd13b7e7eda413a62...
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.