OpenTechnical

OT-2026-000049008

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049008) never changes.

Identity and time

Publication numberOT-2026-000049008 · never reused
Internal UUID01a0ae81-134c-7315-a77b-d5d00d44b425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049008
StatusPUBLIC

Content hashes

Canonical text2d445425a4b8198d9d29f3b9a46231ea97945ef07407459f76e088606145c2e1
Markdowna57b2f5d6d6f5a7c8e6d65d4340963fc188037d203c405fd12d803eb2ef97c8c
PDF
Publication page5973d85b3fc812fbc84df880700c57aa8354791045e3acd00d596856ffb0ef59
Manifestb91baaa293f6745970047f91349880e8a8f48c24e8c38d1e9d345731261b9eee

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
Signature0HqJj2XF9U/hzGqbPRG1/25i3P/dZc9ZNfJ6VpCoC3pmQn83yX9GPI+LZm+Zo0kdgZ3lgagEfuuDm7ZXTZl+Aw==
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

2026-09-17T11:03:13.260739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049008
observed 5973d85b3fc812fbc84df880700c57aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.243803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049008/manifest.json
observed b91baaa293f6745970047f91349880e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.227161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049008/publication.md
observed a57b2f5d6d6f5a7c8e6d65d4340963fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:13.210731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049008/publication.txt
observed 2d445425a4b8198d9d29f3b9a46231ea...
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.