OpenTechnical

OT-2026-000012085

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000012085) never changes.

Identity and time

Publication numberOT-2026-000012085 · never reused
Internal UUID01a0ae6d-1943-78e4-b815-e75209943904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012085
StatusPUBLIC

Content hashes

Canonical text9c145b65f77271dbf03662c1dfc0ba20114d87faf08b27ae475f90ddf2137f16
Markdownc99dbf326d875f5284e860dc0b8581145797162965c7216cf9baaa1ec8fd1e66
PDF
Publication page3ff4a303263ae487993aaae952bcc28a4e8ef07c52080b8948a737d960a2d563
Manifestde2153af9a59eb0fc984f2f02f4c83e93db5967f5ffc61ef9c6475d377a383a7

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
Signature/lwLeGP8lph6tUKAxhQyTo4yuuy6pgrpcI5j1dnHU2E3IMuPlnmD+2NF8OKRwa64xDtm0zPZlsWl/WnHluLMBw==
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

2026-09-17T12:12:58.506213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012085
observed 3ff4a303263ae487993aaae952bcc28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.488847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012085/manifest.json
observed de2153af9a59eb0fc984f2f02f4c83e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.469132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012085/publication.md
observed c99dbf326d875f5284e860dc0b858114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:58.450706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012085/publication.txt
observed 9c145b65f77271dbf03662c1dfc0ba20...
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.