OpenTechnical

OT-2026-000013853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013853) never changes.

Identity and time

Publication numberOT-2026-000013853 · never reused
Internal UUID01a0ae6d-8de9-742b-ad41-e36e621319da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013853
StatusPUBLIC

Content hashes

Canonical text22acd67d93c6f70329db993ff4fdd6c1dca9c9ba84928ded312e7204dcc1e0be
Markdown4ea3d2e3b929ca36eabb8bd788e62d810732e2a1b281a075533d6ed50a728ff4
PDF
Publication page98061ae8a4802d47fd853a0a8c096c6fa151abb87804897322a3709af9b942dc
Manifest71b308c55a4a90f1e5de914afa7219c33409204cb638b9542709888ab5e7e9ff

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
SignatureVO76lLCw2dcUAV2rpyUvxIiteQ0iZdbzeO09rB33Ytvu1d6gy3lMwzpB60b4k5MpwqP3hNxaLL9Df2Wx0wgeDw==
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

2026-09-17T12:08:57.745368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013853
observed 98061ae8a4802d47fd853a0a8c096c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.726457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013853/manifest.json
observed 71b308c55a4a90f1e5de914afa7219c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.708852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013853/publication.md
observed 4ea3d2e3b929ca36eabb8bd788e62d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:57.690451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013853/publication.txt
observed 22acd67d93c6f70329db993ff4fdd6c1...
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.