OpenTechnical

OT-2026-000019675

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000019675) never changes.

Identity and time

Publication numberOT-2026-000019675 · never reused
Internal UUID01a0ae6f-1fb3-79ef-addc-030145769087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019675
StatusPUBLIC

Content hashes

Canonical text817c30b4af19a56d7fc3e38b0ec3fec43d7d3c0f795c05ed48f63291ab9dbed0
Markdown71fb0b910d9d0d045149531ec76606484b3aa54ef44311beef22a41b0fb4de1c
PDF
Publication page89e745ffef28b27281bb6f7e334df7f0c72b070db4915c09983df5e3928cd614
Manifest568be650e028f409e96447e233bf5e85d9b1c967475ef365230b1735e96b6171

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
SignatureN80BLzi1q34R1UMzXZbRsxa4lJLJtMEszEAJ6W9/6rglxybgWyBtZaZTsqgkbjVMhjKI7GLkN+2zkIuvhZqZAQ==
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

2026-09-17T11:57:44.719064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019675
observed 89e745ffef28b27281bb6f7e334df7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.699435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019675/manifest.json
observed 568be650e028f409e96447e233bf5e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.679957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019675/publication.md
observed 71fb0b910d9d0d045149531ec7660648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.660708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019675/publication.txt
observed 817c30b4af19a56d7fc3e38b0ec3fec4...
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.