OpenTechnical

OT-2026-000047070

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000047070) never changes.

Identity and time

Publication numberOT-2026-000047070 · never reused
Internal UUID01a0ae7e-d0f8-73ed-ba2d-d22dd5dbd097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047070
StatusPUBLIC

Content hashes

Canonical texta995c15fc1d0cb656d7f5a79902898f14537194af968910da477813e2f71611f
Markdownd46c35ac9738d52f8c930ac3a2d9dbb6219513694fa52a1c1c8289f2bdfbac69
PDF
Publication page48f8a1be7bc28f747edbc8c67148b631db77e85c5bf7f62bdcaa4f1d05d6c972
Manifestace5713d39bfe2ef0592b0ff254764a08918fc54bdf20f0e588dbf30a289b995

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
SignatureLMjxvxIj4rikJB5Y8Q0vWwSnnGn2PbjE9NGKv7w1fZ6c2Ib/0d+ExM1LnL2hxM44YYg3dBIl0kBgrBjwtOJaAA==
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

2026-09-17T11:10:22.416494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070
observed 48f8a1be7bc28f747edbc8c67148b631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.394022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/manifest.json
observed ace5713d39bfe2ef0592b0ff254764a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.372119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/publication.md
observed d46c35ac9738d52f8c930ac3a2d9dbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:22.349461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/publication.txt
observed a995c15fc1d0cb656d7f5a79902898f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.748044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070
observed 48f8a1be7bc28f747edbc8c67148b631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.729543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/manifest.json
observed ace5713d39bfe2ef0592b0ff254764a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.711459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/publication.md
observed d46c35ac9738d52f8c930ac3a2d9dbb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:50.693666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047070/publication.txt
observed a995c15fc1d0cb656d7f5a79902898f1...
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.