OpenTechnical

OT-2026-000012572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000012572) never changes.

Identity and time

Publication numberOT-2026-000012572 · never reused
Internal UUID01a0ae6d-39f7-7b5e-aefb-5534f9c86db2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012572
StatusPUBLIC

Content hashes

Canonical text1929e76c157811acb6d5f2a86c6663cb6f4ef747ada938bf4c7e9a9a1aa165d4
Markdownec3d50ce6628d0f05603bd792dbe1705896ffa4deb5fc506ac9294a3f04d6dca
PDF
Publication page20f33075e60db2b7dc2c3b3024876e2933b2fdea9c611890c092d88f71b2fa24
Manifest360773b18f1ce77666011244efbb5b4dfac83b0eb259888ceb964ef3d2d68c60

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
Signature5Fga7Lr58NgxhLvGd0Cb/3z8CJC1FXkIReQ05rz9w899kH98ohy0Qs0EqqOgTiKF90H3CU3r/EBhWqLv/LnJDA==
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

2026-09-17T12:12:07.395380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012572
observed 20f33075e60db2b7dc2c3b3024876e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.375096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012572/manifest.json
observed 360773b18f1ce77666011244efbb5b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.358582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012572/publication.md
observed ec3d50ce6628d0f05603bd792dbe1705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.335598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012572/publication.txt
observed 1929e76c157811acb6d5f2a86c6663cb...
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.