OpenTechnical

OT-2026-000014647

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000014647) never changes.

Identity and time

Publication numberOT-2026-000014647 · never reused
Internal UUID01a0ae6d-d093-726c-a4aa-89e9f2822eae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014647
StatusPUBLIC

Content hashes

Canonical text4b09d49a9a160917287b27d7e058a27f712ce539fd06fdda224fa4c9c3bee3df
Markdown08eab7ef1a38c4fd47c8689915d46bb9e0982cfeb1216e0f4671bf9502d6f46d
PDF
Publication page1786fa908bed89d4f2c70b81f9ff459c872c2d892c52053e3b2fc435e9a5dc95
Manifest78ccb48d61af0d8fc403653e0c0d1be13e13f32edd64a9b0208b486b436cacca

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
Signature9staDFScQYG8uCXRhOseLTKQdjWM/bThU6MwtMYrjre/EHcEn5MdWoWsRijwBe2LovA968Rct2sdMWzms3HfDA==
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

2026-09-17T12:06:28.182403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014647
observed 1786fa908bed89d4f2c70b81f9ff459c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.162164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014647/manifest.json
observed 78ccb48d61af0d8fc403653e0c0d1be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.142929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014647/publication.md
observed 08eab7ef1a38c4fd47c8689915d46bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:28.123936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014647/publication.txt
observed 4b09d49a9a160917287b27d7e058a27f...
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.