OpenTechnical

OT-2026-000031847

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000031847) never changes.

Identity and time

Publication numberOT-2026-000031847 · never reused
Internal UUID01a0ae74-bad1-7c2d-bc68-bc23f6756c46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031847
StatusPUBLIC

Content hashes

Canonical text171a6d226771a37895c8aa218a0949c50b1135e5d548bc053b1109a8dac966c9
Markdown9931fc7d02a124d676cb0e7fcd710c7b80c5932dd8fdb3f4798d81b71b228b03
PDF
Publication pagecfa39a2dc8f0af388d0dcd123e65a6c1e91b2becfb51ab2a7a7415b637abf575
Manifeste54f9b095b97875cdeaddfa0bced4f518a81bd03cab431ca6301090bbb2e40a5

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
SignatureC98lh9yZCXm9jGz45sqYeJCa5t9OpIUMMTX2zxDzLxFg5iuP5Gr3Hd991+InMbA0PdZYb9WtA/eCrmAL/SJpBQ==
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

2026-09-17T11:35:05.991499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031847
observed cfa39a2dc8f0af388d0dcd123e65a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.970532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031847/manifest.json
observed e54f9b095b97875cdeaddfa0bced4f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.951693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031847/publication.md
observed 9931fc7d02a124d676cb0e7fcd710c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:05.932966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031847/publication.txt
observed 171a6d226771a37895c8aa218a0949c5...
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.