OpenTechnical

OT-2026-000034388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000034388) never changes.

Identity and time

Publication numberOT-2026-000034388 · never reused
Internal UUID01a0ae75-df0e-70cf-b4fc-9afdaa02269e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034388
StatusPUBLIC

Content hashes

Canonical text1823081d5c5a6aef75a66805a5dbb5f197ead1d918c6163aafb2a4041b1e82f4
Markdownb6445fb573a9eb1d3bc5009fc004d6599b6be3b2508cf865e83d19e41766b2cd
PDF
Publication page9f54c5b23269b0a9a876a97c897c9d812b27c4566eab8c6a07d246e06a260801
Manifest67746ac2134e2b7d563797056ca05e1dc331e0b51c6e6a081a47ba78c1e2bcf7

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
Signaturestad2q5tjJn4K5hrp/qq9QcRsthEiP3bCSVQTOnvIYu//alsvJlhmnQxL9zdkVW8FfLHkAs5y5G/08y7kRvdBQ==
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

2026-09-17T11:31:06.102163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034388
observed 9f54c5b23269b0a9a876a97c897c9d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.084949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034388/manifest.json
observed 67746ac2134e2b7d563797056ca05e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.066873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034388/publication.md
observed b6445fb573a9eb1d3bc5009fc004d659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:06.046525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034388/publication.txt
observed 1823081d5c5a6aef75a66805a5dbb5f1...
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.