OpenTechnical

OT-2026-000018524

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000018524) never changes.

Identity and time

Publication numberOT-2026-000018524 · never reused
Internal UUID01a0ae6e-b48a-739e-85fe-d3d17360ac39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018524
StatusPUBLIC

Content hashes

Canonical textd97d7d4f69a51b4678de2f324eccaf73234081a3a5ac367d4410184157004e1e
Markdownf942b62b3d4a8eb04b419f14bf5a877d5fa92323580dc83beb5778e42ccc5b76
PDF
Publication pagef7799ad33277d47faa1687a7d3064a260c7756d248f0ff8fbf0a68e20a8d9354
Manifest1ae3472d1305e7684f8697ca062c41672ac06455f3651b51b23d070815889bc1

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
SignatureW8k7lEOBoLAt/zHjzCPefJ87gKgSKoKZQLc9fnptEtcy2FDMiTikzMoirGkvsrpFUCds3UVLFrKcfwSi10tgBg==
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

2026-09-17T12:01:17.879021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018524
observed f7799ad33277d47faa1687a7d3064a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.861226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018524/manifest.json
observed 1ae3472d1305e7684f8697ca062c4167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.843302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018524/publication.md
observed f942b62b3d4a8eb04b419f14bf5a877d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.826971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018524/publication.txt
observed d97d7d4f69a51b4678de2f324eccaf73...
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.