OpenTechnical

OT-2026-000030197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030197) never changes.

Identity and time

Publication numberOT-2026-000030197 · never reused
Internal UUID01a0ae73-e500-7824-b4ce-511e9330f4b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030197
StatusPUBLIC

Content hashes

Canonical texta9f700a0f00e05440262e1c416b4e1f9719d2fd5b3d96f3f7d9fa00283757080
Markdowne991fe4423fcc9974394a556a32e1ed87f15ad279e1ed22bfe40834d20414320
PDF
Publication page6590a840a1b29681f14bd7ebc3048121455e711d4916e33ed5dffcb09fa0f965
Manifest09e2124ba7d0e21c68ef8c9e5b989cfab615d415ea67fde1929070ec81314296

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
Signatureza38doYA4IBznUgtGM5NBkaH/oRLR1Gozl3Ww+UzMwbU7s/nFSMtd5SNS91xR5Z4M0ODGhNC0IpnuvV/6xafCA==
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

2026-09-17T11:40:33.956627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197
observed 6590a840a1b29681f14bd7ebc3048121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.938860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/manifest.json
observed 09e2124ba7d0e21c68ef8c9e5b989cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.920481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/publication.md
observed e991fe4423fcc9974394a556a32e1ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.897997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/publication.txt
observed a9f700a0f00e05440262e1c416b4e1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.311091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197
observed 6590a840a1b29681f14bd7ebc3048121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.289911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/manifest.json
observed 09e2124ba7d0e21c68ef8c9e5b989cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.270743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/publication.md
observed e991fe4423fcc9974394a556a32e1ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.248328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030197/publication.txt
observed a9f700a0f00e05440262e1c416b4e1f9...
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.