OpenTechnical

OT-2026-000070183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000070183) never changes.

Identity and time

Publication numberOT-2026-000070183 · never reused
Internal UUID01a0ae91-1862-7c0c-9310-d9a669a161ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070183
StatusPUBLIC

Content hashes

Canonical textb6919d2b66c707ab9ab09ba4df5693b0a4f49a8b5685fdcf009b7857afe0a708
Markdown8de6ee398c0b70bf06a972904554912ac6eb1e119217e44f90b5afb4f1fbc12d
PDF
Publication page8c8915faae8381f6e2203da9c513854e115b2b1c569b6d7502eea1d205815bfc
Manifest88b2ae2f00f5885b2a69e8dd86d116c015e8f01e98c266d26dc6f89191a75b21

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
SignatureykIXudEDeA+tY2v7siW8GvDGBODxVU1iurTNZWfX7ruZV0sBD4io4DzvSjchSVBbo5IPde6vTcO7gxJOSladAQ==
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

2026-09-17T10:27:14.136167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070183
observed 8c8915faae8381f6e2203da9c513854e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.119079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070183/manifest.json
observed 88b2ae2f00f5885b2a69e8dd86d116c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.100315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070183/publication.md
observed 8de6ee398c0b70bf06a972904554912a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.080811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070183/publication.txt
observed b6919d2b66c707ab9ab09ba4df5693b0...
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.