OpenTechnical

OT-2026-000046242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000046242) never changes.

Identity and time

Publication numberOT-2026-000046242 · never reused
Internal UUID01a0ae7e-57ca-7973-b754-3c8afa443727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046242
StatusPUBLIC

Content hashes

Canonical text4c8a5879792e705eda2401fee1b449818dc96b2ef33276219a451c1a29532169
Markdownb6f052d80d82a658b2e8e54da8dc6b8a1455d8c09ae8111e196cb488f29cb29f
PDF
Publication pageb7775fb31f2c95ac332956aad911e12cafef3df586db535fb49d5e314c68ee9d
Manifestaf383d6325ccfe02cafe3096d69ffdbc64dd074650847cfeb01114842b4a7c6b

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
Signaturej1uSfM7sqBjBmgszZnMG7m1K03qs9hXNcvJ9dBSVuEYsmSmRZ2GcHJYkQJNAljs7WJ/Z4OdCi1d2FgJJnQa/Bg==
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

2026-09-17T11:08:05.544224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046242
observed b7775fb31f2c95ac332956aad911e12c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.525309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046242/manifest.json
observed af383d6325ccfe02cafe3096d69ffdbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.506480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046242/publication.md
observed b6f052d80d82a658b2e8e54da8dc6b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.485661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046242/publication.txt
observed 4c8a5879792e705eda2401fee1b44981...
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.