OpenTechnical

OT-2026-000071449

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000071449) never changes.

Identity and time

Publication numberOT-2026-000071449 · never reused
Internal UUID01a0ae91-e0ed-772e-84ff-c59ab4fdba02 · 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-2026-000071449
StatusPUBLIC

Content hashes

Canonical textfbefafdbd60f51f506554dcbb57da918733226f03d20da4508ff4f54f901a8e4
Markdown0f19a137867123d0e4520f294670e695b524aef27343669d01c13bdb39ede29d
PDF
Publication page171ab0257740dbf51636f56bf9016aa11c786b057216a5af14d3a433a5996cdc
Manifesta05f7a6038b54b9f0593829b506557b596dec1db42535af9781a5fe884ab3b70

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
SignaturemL6g+dQnWXsqKWrwddJZ+2T+jKY4/SQcVqNouKHbrv9RJVzX86gNd3P1DoHSsqJGw3VMlO1cYMB7EYIdeKgaAw==
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

2026-09-17T10:25:05.341332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071449
observed 171ab0257740dbf51636f56bf9016aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.321974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071449/manifest.json
observed a05f7a6038b54b9f0593829b506557b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.305044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071449/publication.md
observed 0f19a137867123d0e4520f294670e695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.286569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071449/publication.txt
observed fbefafdbd60f51f506554dcbb57da918...
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.