OpenTechnical

OT-2026-000037344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000037344) never changes.

Identity and time

Publication numberOT-2026-000037344 · never reused
Internal UUID01a0ae77-b8cd-798b-9782-582d9ad0eeb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037344
StatusPUBLIC

Content hashes

Canonical textbb3b722ece197385e8fe5d332a8e224fda3fac7ef4b0d5c99cc78bd1b83d9ea8
Markdownc26d7ba1d4889a92e66857ded9f6d9b172a87b9afd07e08466590d4cc94fec87
PDF
Publication page2579caafc64a27848326922e3fecb69cb3acf84a59f5025c7d311d3c0a52cc48
Manifest94e2ff6c407446f50e1bf00a8b5a014ec0e774d6d6c15c276d864440a801c24c

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
Signature064em5HLTAbZir7UgWeOIU3tV7lLZX6C371DCVJgfmtidhS4Bn5okZSmDg8kj1dhM+Me8xb9zNMoLwz0SlhMBA==
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

2026-10-26T12:41:19.770982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344
observed 2579caafc64a27848326922e3fecb69c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T12:41:19.722363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/manifest.json
observed 94e2ff6c407446f50e1bf00a8b5a014e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T12:41:19.658712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/publication.md
observed c26d7ba1d4889a92e66857ded9f6d9b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T12:41:19.579860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/publication.txt
observed bb3b722ece197385e8fe5d332a8e224f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:19.715354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344
observed 2579caafc64a27848326922e3fecb69c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:19.602941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/manifest.json
observed 94e2ff6c407446f50e1bf00a8b5a014e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:19.505209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/publication.md
observed c26d7ba1d4889a92e66857ded9f6d9b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-10T00:42:19.413752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037344/publication.txt
observed bb3b722ece197385e8fe5d332a8e224f...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent