OpenTechnical

OT-2026-000053192

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053192) never changes.

Identity and time

Publication numberOT-2026-000053192 · never reused
Internal UUID01a0ae84-a432-77e0-a39f-e2a85d757436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053192
StatusPUBLIC

Content hashes

Canonical text09325a82ccf2c6da78accad4f7a53bef974a47d0bc6440ed82e0a462aafe1d32
Markdownf1308e484f0851615982fc1cc77658d91bd84a86cd46d54cc0b0932a8f5376b9
PDF
Publication pageb5a75af4e32116c160f6e4acc6b15e7a5d95595df4b85b0d0afcc3837ec9735d
Manifest9e64ee6937df35204afdc2d7df721c5dc75d0f556cb5150f107b66d2791a8b4b

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
SignatureQTNgvEMLWk+Ksau7exCA3WyOJ7aZswlkcb9zCxf/7HyHeZfUGoofHCf3aB57iaaF14qv1GBWQL5ei+o3wJ7UAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:01.218270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053192
observed b5a75af4e32116c160f6e4acc6b15e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.196026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053192/manifest.json
observed 9e64ee6937df35204afdc2d7df721c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.176252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053192/publication.md
observed f1308e484f0851615982fc1cc77658d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:01.156865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053192/publication.txt
observed 09325a82ccf2c6da78accad4f7a53bef...
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.