OpenTechnical

OT-2026-000015453

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015453) never changes.

Identity and time

Publication numberOT-2026-000015453 · never reused
Internal UUID01a0ae6d-ef4a-7c2e-bf30-fe347e0f281e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015453
StatusPUBLIC

Content hashes

Canonical text6d13ee035c29c0bfbe9892423eae9a4988bd758b9f6eaa606e3ebda597926ca3
Markdown8410feb95683ffa388b0a48f780f1f22d11ce368e36ed1608dec9113186470c4
PDF
Publication page1f7465ff491237d4f90cbee281e21b782ea34c662c4fbf883817ca40b2ac339d
Manifest0859f60bb3830fd56dfe7d556a529e20880a014b04a732c19051fca8169be502

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
Signature+zS2RoWIpCeXfLpWqxWa0RgxLVu9S14jwFEy25ONRYFM8RDG3ox7KvH4AQwWGfKPaPBi18/P1mC5NIowDqx0BA==
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

2026-09-17T12:06:12.079429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015453
observed 1f7465ff491237d4f90cbee281e21b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.061749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015453/manifest.json
observed 0859f60bb3830fd56dfe7d556a529e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.042665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015453/publication.md
observed 8410feb95683ffa388b0a48f780f1f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.021202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015453/publication.txt
observed 6d13ee035c29c0bfbe9892423eae9a49...
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.