OpenTechnical

OT-2026-000013088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000013088) never changes.

Identity and time

Publication numberOT-2026-000013088 · never reused
Internal UUID01a0ae6d-5565-72fa-ba02-73fb56f9886d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013088
StatusPUBLIC

Content hashes

Canonical text163db8f8d94fb7f42cc121a48d84528276cf8e6ccd988bbec58c0b4bc29d70ba
Markdown742c2b988c06d475d8ad9256c639b69e8b996957a9a324fa21374e1cbb046501
PDF
Publication page38107ce505fdd69461292c6eeb72963eaf752d009a4ba6c911f14954a67ad627
Manifest6b700d45ca906961c0cfdd723e46351261232323ea667d80358bf712ed54ed2f

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
Signatureysm/0VYW/5IgtquiBwRnUNZkX/ZirVJSAgGN36ej7qaT6G0B3w3lVr7DLyZOd8kMKm95f1bJRxID7dYKgWLhAw==
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

2026-09-17T12:10:56.131470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013088
observed 38107ce505fdd69461292c6eeb72963e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.110755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013088/manifest.json
observed 6b700d45ca906961c0cfdd723e463512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.089817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013088/publication.md
observed 742c2b988c06d475d8ad9256c639b69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.071132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013088/publication.txt
observed 163db8f8d94fb7f42cc121a48d845282...
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.