OpenTechnical

OT-2026-000022816

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000022816) never changes.

Identity and time

Publication numberOT-2026-000022816 · never reused
Internal UUID01a0ae70-46ea-782e-91ac-7e6b3fe9709e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022816
StatusPUBLIC

Content hashes

Canonical text7c8e7c14d370ef157211b4f855062f73260716cf3e1cee9d464360a32f16fe43
Markdownec6902518819b0e663525b2f9c08e418174fd53ee3db2d42b4197563cb0edb54
PDF
Publication page948239be8fa6419b0dc487a46d9bd903457fabff201be69357580a23149b2069
Manifest80372bbfec69a91af2c8bcb7ace224b0862c8f52b8c18857bd3b728598c0205c

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
Signaturenht8ZZwdJsTKIWRudQYQk0HDMM4B4T9AqT0ZJBMRF/VemUQ63eKLdT12HXdY3LXRTFMdrlahxCYwLI6l52ccAg==
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

2026-09-17T11:52:20.738596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022816
observed 948239be8fa6419b0dc487a46d9bd903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.722350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022816/manifest.json
observed 80372bbfec69a91af2c8bcb7ace224b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.702647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022816/publication.md
observed ec6902518819b0e663525b2f9c08e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:20.686527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022816/publication.txt
observed 7c8e7c14d370ef157211b4f855062f73...
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.