OpenTechnical

OT-2026-000012272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000012272) never changes.

Identity and time

Publication numberOT-2026-000012272 · never reused
Internal UUID01a0ae6d-39f5-709a-99b2-f770cdc81837 · 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-2026-000012272
StatusPUBLIC

Content hashes

Canonical textd10523d4752362336f3c5c984a8a3630c798fb9d3dd33dd83cf35b17a9c56555
Markdown1977de2b90638a33de2e6c6472bba9a952c937c37b8dec7c0a27d2bcaeb902af
PDF
Publication page9444a726dfed49f463995a653821e6f7381b4aef3e08721d323c4c1908bc7fd5
Manifest67f229f0f811ac0056864110aecf3beae1654cb8723ff84621fba8db3281e47b

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
SignatureqkqwDjE4Bf92mHXelmC90TmmrB/n78yPuc4bgaypB38akQngL/mEvjr7INiKYjg50a7WkVapkng0CKZHv03yBQ==
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

2026-09-17T12:11:12.497175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012272
observed 9444a726dfed49f463995a653821e6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.478350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012272/manifest.json
observed 67f229f0f811ac0056864110aecf3bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.459576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012272/publication.md
observed 1977de2b90638a33de2e6c6472bba9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.440090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012272/publication.txt
observed d10523d4752362336f3c5c984a8a3630...
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.