OpenTechnical

OT-2026-000071429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000071429) never changes.

Identity and time

Publication numberOT-2026-000071429 · never reused
Internal UUID01a0ae91-e0ed-76a4-bdf4-f89c9730385d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071429
StatusPUBLIC

Content hashes

Canonical text9af25cad12f91798d70f4eea38fdcb4136061949622adb2bb9552062e4dd965f
Markdown1634a913882bee999e92995bd216b9428826026b1a51bcd35171682e485edd46
PDF
Publication page878bc3e689c3e0c119f52a647f486ab0d0bd6e971f4e56190df3af0c87c1fd39
Manifestcc5d72166c2a56b48ec0b080d0a80a12d329893ff5630ac607723728d7bd05c2

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
SignatureFY90bM19lNksgAVPcjwAOBuTguZFhkbMi9znF/Rpv19C26+rw9kSKxtlGMyAMGfVQERA70VYTKN5jPvslevVDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:04.014150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071429
observed 878bc3e689c3e0c119f52a647f486ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.996536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071429/manifest.json
observed cc5d72166c2a56b48ec0b080d0a80a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.978560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071429/publication.md
observed 1634a913882bee999e92995bd216b942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.961322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071429/publication.txt
observed 9af25cad12f91798d70f4eea38fdcb41...
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.