OpenTechnical

OT-2026-000047780

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000047780) never changes.

Identity and time

Publication numberOT-2026-000047780 · never reused
Internal UUID01a0ae7f-c420-76fc-993e-0bc2d689b724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047780
StatusPUBLIC

Content hashes

Canonical text38f0fa09c19dd38d5d0e8a8b53458322b7c656565587f2ec0b0b59c35109c8f8
Markdowncb03c08c819a57f0fc709ef6e7016c900c02d0ba5840c4c1d7ff6e14316505c7
PDF
Publication page47b11bbdff1619525295e577e8adb035d0b5dc0a5433a6008b3cd0075dfcfef6
Manifest4274a85601694f883bea2a416b472a593c4b04351b5f7131d2313410ee100486

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
SignatureE3iQCK+uvrEDQKLYVjt7OgwgBguJokYcZSlCSlk3Y8lrQNI4Bf5hFwMWo4zFN7W2QylKs3OPge0wPh7QIWJHAg==
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

2026-09-17T11:05:40.507244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047780
observed 47b11bbdff1619525295e577e8adb035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.489239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047780/manifest.json
observed 4274a85601694f883bea2a416b472a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.471432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047780/publication.md
observed cb03c08c819a57f0fc709ef6e7016c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.451651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047780/publication.txt
observed 38f0fa09c19dd38d5d0e8a8b53458322...
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.