OpenTechnical

OT-2026-000029365

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029365) never changes.

Identity and time

Publication numberOT-2026-000029365 · never reused
Internal UUID01a0ae73-5e20-7545-8e36-aca346d41025 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029365
StatusPUBLIC

Content hashes

Canonical text3b4d359ffc09c77a7b95f41a9e819faf44056fb131a7c166ad411d5c5f4130c9
Markdown780449e019ef1602c6556204affe5168f20ed9248dc43a13d20b2b4efd8f2155
PDF
Publication page15a269d0956eda8d1e492227c1dc538371dbd0a465b9868ba8023bd67e943a71
Manifest47379db52377c741c28890b99854c45e68b9fbb42600156ddb40e31522878f80

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
Signaturezth3L7vbEaCPCLxGEER92GMMKYXhVzc7c2YGB2AtBelPMWIh075PMBbHwQvqLIkC6cvvXp/tVQ36tyN72Zx0BA==
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

2026-09-17T11:38:55.483920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029365
observed 15a269d0956eda8d1e492227c1dc5383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.465895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029365/manifest.json
observed 47379db52377c741c28890b99854c45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.445513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029365/publication.md
observed 780449e019ef1602c6556204affe5168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:55.424162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029365/publication.txt
observed 3b4d359ffc09c77a7b95f41a9e819faf...
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.