OpenTechnical

OT-2026-000038115

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000038115) never changes.

Identity and time

Publication numberOT-2026-000038115 · never reused
Internal UUID01a0ae77-f88b-70f5-812f-5acea8c28fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038115
StatusPUBLIC

Content hashes

Canonical text717a28f0160cd17ce42320fce46a39af8103f2a8eed93840540021091276dda0
Markdownd96bd1483047af916fbbbb7c8f2e05b1ea53d57a07f0df28dcb200d1f1a315b7
PDF
Publication page8d6172e766054c47582ded277e0b34cec24de3335c3f332c23a42743b23abe61
Manifestb7f1e3d3889bf9a2c630a75284e139ae28ab669e91dab206c1052ed732790674

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
Signaturey64y4vcuytcpynk/a8nFyWiyPL6To/ISGs/HvUHxCNhUBusKY51c8P5lOgd3DKUSozN18+wOFLEBX9tk7aJCAg==
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

2026-09-17T11:23:27.289843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038115
observed 8d6172e766054c47582ded277e0b34ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.271691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038115/manifest.json
observed b7f1e3d3889bf9a2c630a75284e139ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.253109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038115/publication.md
observed d96bd1483047af916fbbbb7c8f2e05b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.233809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038115/publication.txt
observed 717a28f0160cd17ce42320fce46a39af...
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.