OpenTechnical

OT-2026-000079799

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000079799) never changes.

Identity and time

Publication numberOT-2026-000079799 · never reused
Internal UUID01a0ae96-4376-7c3c-8062-2024dd64120c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079799
StatusPUBLIC

Content hashes

Canonical text1120ecd349babf17ffa05c8eec1ac30574654a56d047696191eeeb8831ea6a65
Markdown46a449fe664d3bb245026a1d70a889160dfc1f70561b7a79df4b95fe8f676cb9
PDF
Publication page700086ea0927d3e4ee067feeeedd63eef3e767b107fdfa826c3dfe9c4bf89ae2
Manifest7f7d1030a23a708e4e9ca833a780a4932b57c7e1070449226d92d27e26b87ef0

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
SignatureQtxnAKJFBF1lKJ9COCsF/YpJiBuFfFYVbRFeU0dTWBVdqtObu0DhR8PROj0ll38d5awXyMKcyKkPpepyu/goAw==
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

2026-09-17T10:03:40.612292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079799
observed 700086ea0927d3e4ee067feeeedd63ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.593447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079799/manifest.json
observed 7f7d1030a23a708e4e9ca833a780a493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.573365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079799/publication.md
observed 46a449fe664d3bb245026a1d70a88916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.554671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079799/publication.txt
observed 1120ecd349babf17ffa05c8eec1ac305...
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.