OpenTechnical

OT-2026-000070942

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000070942) never changes.

Identity and time

Publication numberOT-2026-000070942 · never reused
Internal UUID01a0ae91-8c2d-7c2f-b003-6851a5ccb9e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070942
StatusPUBLIC

Content hashes

Canonical textb07cde3426e20ea8913dfbeaa6e7cc2e61c550971e0fc116f08bd6edb12cec3d
Markdowne6a4931ad042281ee135c255642f141025689f7207fff31e238e184fe232cb2b
PDF
Publication pagedf2a7b887a9e533181d79779efb77096b9fbcf3c6b36ff4f037abf863e6cde2a
Manifest0300c819dca3fc66b9656b6cde65086239e6bc73dcccf762826eb84304ce5ffd

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
SignaturebKH6J53Bc4Kd5ccELA6cmk1I2CkFP0GI0Y1TlMeA4c/qqfiT4RazS2Ihpf+Dxnm6wIBCLybL39+dfXGAJa8mDw==
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

2026-09-17T10:25:46.582985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070942
observed df2a7b887a9e533181d79779efb77096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.567122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070942/manifest.json
observed 0300c819dca3fc66b9656b6cde650862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.551215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070942/publication.md
observed e6a4931ad042281ee135c255642f1410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.535050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070942/publication.txt
observed b07cde3426e20ea8913dfbeaa6e7cc2e...
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.