OpenTechnical

OT-2026-000058013

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000058013) never changes.

Identity and time

Publication numberOT-2026-000058013 · never reused
Internal UUID01a0ae88-6ed9-738b-a456-72b54120ad51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058013
StatusPUBLIC

Content hashes

Canonical text6689d1b54cc6604a59cd584f5b73390242afd5f32ca12881656f62fe5696c12e
Markdownba843f3c658f60f7ebb713e1dd07ce902a2674c306c98c92487b2ec248670475
PDF
Publication page5c937e12599ea18d9aff87f7b4e4cd42581e31d8b2d2e770dc82936fa309377b
Manifest2df6c9c926b0464646486d3e59391321f57b0b4aebe34ed10044331d58687736

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
Signature99QRNYilQiRcXNBJDeC867HnaA5EaIvzDOqCGdrCgP+j6UiYYLkmZ4g+NzoCQR1JLn3ve3m8ZJsyMOGtYxJhBQ==
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...

Independent retrieval

2026-09-17T10:47:38.988745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058013
observed 5c937e12599ea18d9aff87f7b4e4cd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.970115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058013/manifest.json
observed 2df6c9c926b0464646486d3e59391321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.949610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058013/publication.md
observed ba843f3c658f60f7ebb713e1dd07ce90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.929248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058013/publication.txt
observed 6689d1b54cc6604a59cd584f5b733902...
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.