OpenTechnical

OT-2026-000042619

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042619) never changes.

Identity and time

Publication numberOT-2026-000042619 · never reused
Internal UUID01a0ae7a-c0ce-7aa6-ac2c-676629150c5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042619
StatusPUBLIC

Content hashes

Canonical textd6b8e75a8caf1d79d29277ccf9d5f02707f632dd54e0d69b2b7d9883ac737723
Markdownef907c205f3a16b6f5429e5966eaa5031ae3f0ebd90de1fd92e433f9f3d149b5
PDF
Publication page8203e752310251565626776601de95519547b6fe0c33029d7d1531bb2ff9433e
Manifestedee1660259ca036f15cbbb984ea794f233e8db5b26b70c5cbd852992500faf2

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
SignatureFMtrffDbempu6q5hb8ms5xj2K3ZRBiJxkdcc4qVLeoGPCXTMicRi8xksdh/3wbcqobAs1gRiLliBr1nwb5AxDA==
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

2026-09-17T11:14:20.973717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042619
observed 8203e752310251565626776601de9551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.954880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042619/manifest.json
observed edee1660259ca036f15cbbb984ea794f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.936308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042619/publication.md
observed ef907c205f3a16b6f5429e5966eaa503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.916134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042619/publication.txt
observed d6b8e75a8caf1d79d29277ccf9d5f027...
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.