OpenTechnical

OT-2026-000062172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000062172) never changes.

Identity and time

Publication numberOT-2026-000062172 · never reused
Internal UUID01a0ae8c-0abd-7385-8921-d95ca10a6396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062172
StatusPUBLIC

Content hashes

Canonical text450d145f74813f1dd2a1c2f4e927c426adea3635b6f825c1c4194b5fd772c029
Markdown9ef5c310696ae7bca51bc9a6483094a19be8304ef10846f274019c8f54cffa79
PDF
Publication page4a7ad68a8522ef0552fc83665b085e6b4949f1e37777bca868ca92f98ba2bde3
Manifest49404674912c2f5d93c916e7155328887e2189b31f7d0f9cd577c86617ffea4c

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
Signatureze55Rivu7EW404ceACXv6t4uETf4/XCUrbuQAFNJJliIrvqcY7KMY88nB+/vJ1LkYWyAHTsGTtLpY1r+OJjYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:25.632845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062172
observed 4a7ad68a8522ef0552fc83665b085e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.614098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062172/manifest.json
observed 49404674912c2f5d93c916e715532888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.594993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062172/publication.md
observed 9ef5c310696ae7bca51bc9a6483094a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.575634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062172/publication.txt
observed 450d145f74813f1dd2a1c2f4e927c426...
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.