OpenTechnical

OT-2026-000009090

Publication integrity record

Foam pad vacuum gripper, three stage ejector, pulsed 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-2026-000009090) never changes.

Identity and time

Publication numberOT-2026-000009090 · never reused
Internal UUID01a0ae6b-31b8-78dc-a92b-d09c26fbf9b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009090
StatusPUBLIC

Content hashes

Canonical text8a5c56ff7def6b54674532ad3e4fd8f9597ef3f12c804c6f6b6ca26d730f632c
Markdown923d1f65851314165afd0b7ca390f791f1995f55b184a2c9d6893aba38974368
PDF
Publication page22d2661fdb47ce14267d494b37b8e0335fcefb92cbe19b2028f7944e9df91662
Manifeste71207662840f8f509350af8ee2e09b9922c82cc78574d75b6fec9cc7a973048

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
Signaturef1AmcNiAjq9Eq7DJApnZnYJoxyJuSr2vJmwoiys695YC75hGYAL8qIHtgFhoPP5SiwsukNxmfajmlMIDThTRCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:45.933457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009090
observed 22d2661fdb47ce14267d494b37b8e033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.914654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009090/manifest.json
observed e71207662840f8f509350af8ee2e09b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.893964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009090/publication.md
observed 923d1f65851314165afd0b7ca390f791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:45.873675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009090/publication.txt
observed 8a5c56ff7def6b54674532ad3e4fd8f9...
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.