OpenTechnical

OT-2026-000099783

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099783) never changes.

Identity and time

Publication numberOT-2026-000099783 · never reused
Internal UUID01a0aea2-c978-73f5-9037-d0eb41294c31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099783
StatusPUBLIC

Content hashes

Canonical text135925b1a62d95a65dcef62f9685694652f763592f91d8a70118df72c4c4ec34
Markdown45beeb33c93946aded01abfb86131212e5096650b3479498079a52413f9ccc1b
PDF
Publication pageea98b33418269ce4f57d1a46a628031a7895c84ec0a8194a7625e3795a649254
Manifest3c9ad60d5b8d04ebc864dab6f46c4bdeb53c1a173b6f4b2663eddc447f438fe5

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
SignaturezwWKMC2J+hV7ZDQBrGEinxsnhOBjhZ2mFPNAODh2s4FEsxXjn1QKlh6eRuH5VTm8/IMzLa47eTxtzHwI9KuGBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:49.224535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099783
observed ea98b33418269ce4f57d1a46a628031a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.205699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099783/manifest.json
observed 3c9ad60d5b8d04ebc864dab6f46c4bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.188136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099783/publication.md
observed 45beeb33c93946aded01abfb86131212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.172230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099783/publication.txt
observed 135925b1a62d95a65dcef62f96856946...
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.