OpenTechnical

OT-2026-000046039

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000046039) never changes.

Identity and time

Publication numberOT-2026-000046039 · never reused
Internal UUID01a0ae7e-0329-7b16-b2af-a605da0a7919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046039
StatusPUBLIC

Content hashes

Canonical textcb5d9d1d422ac37e4090ee75e61a4c26b916a2914fe589a787b660bd20d31d40
Markdown9314c2acc824f3909ebf158cdf90af63762cd83416bc7e8beb275c0dd0ce8de3
PDF
Publication pagee0534b9bd1fcc22192e950addf81fcbefb353d8fb8b791f646e7e2e1b518f015
Manifestc365886cd025b967959b646b692f1db4f2c0e0a56d32237e9a51b15255b1fd2b

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
SignaturekyQL99yR5H41ByQiwHo4Zryr5XJ3S8xQ7PLVEvDjciH6DcEnsNN+52GBFgj6bCg3o3ZRHnmZ3VyDnHhmO2bcAw==
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

2026-09-17T11:08:59.490911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046039
observed e0534b9bd1fcc22192e950addf81fcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.472946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046039/manifest.json
observed c365886cd025b967959b646b692f1db4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.454170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046039/publication.md
observed 9314c2acc824f3909ebf158cdf90af63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.436248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046039/publication.txt
observed cb5d9d1d422ac37e4090ee75e61a4c26...
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.