OpenTechnical

OT-2026-000099741

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099741) never changes.

Identity and time

Publication numberOT-2026-000099741 · never reused
Internal UUID01a0aea2-c977-7abe-9036-de3e39650116 · 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-2026-000099741
StatusPUBLIC

Content hashes

Canonical text381bbdcb27eb5c77dac626dbc9cfb172aaa861b227c153c2d28529097c2ac8d5
Markdown92ce101094f4c40c6e378f9e927c54ea11c3694a9467a01bd3ab5498c09fece6
PDF
Publication page0a761771b5b86008294af149554e1f3f8a4112e60f7a59b7a8b591b7d3bea6d0
Manifest41f694b94b35db1c397baaae3f7a0746b311d36fb8a18645cc16ce14186d024c

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
SignaturegQLk321tyUTQqtdrz4O0joxL96eyDUG56IMJ6Uuszc8SkI8uAAeCdUaf98W3uq4a4o8TahYgWvh9uJaoVMsWAg==
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

2026-09-17T09:29:45.914001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099741
observed 0a761771b5b86008294af149554e1f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.896025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099741/manifest.json
observed 41f694b94b35db1c397baaae3f7a0746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.874429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099741/publication.md
observed 92ce101094f4c40c6e378f9e927c54ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.856309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099741/publication.txt
observed 381bbdcb27eb5c77dac626dbc9cfb172...
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.