OpenTechnical

OT-2026-000058869

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000058869) never changes.

Identity and time

Publication numberOT-2026-000058869 · never reused
Internal UUID01a0ae89-479f-7918-bdf1-23ff08a96824 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058869
StatusPUBLIC

Content hashes

Canonical text1f819bfe1410a960e4b8cb90ef16d76f4d9393f533500543c4bb5af77b012a71
Markdown2f37107894eb0ccc269f322267aa06e55d619da055dfca3654694b0fbb100f4b
PDF
Publication paged379dd83cc4354c72c86bab9fd0edfdbfc9b93e784f3aee82e29754686692c38
Manifestf1e55db8e74631c8a7bc04a74b75756145fbf8754a8265a582c0b1c3878a0782

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
SignatureNEcNAwEt0Q7JyGjt1Ou9uc7XJWg++gzQQoEgDNkhoaYmNW4lhgYg6QOc/2X7w9FRdOe4uizngRwSW3+Cn7FFCg==
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

2026-09-17T10:46:24.675831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058869
observed d379dd83cc4354c72c86bab9fd0edfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.658352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058869/manifest.json
observed f1e55db8e74631c8a7bc04a74b757561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.642332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058869/publication.md
observed 2f37107894eb0ccc269f322267aa06e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.624640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058869/publication.txt
observed 1f819bfe1410a960e4b8cb90ef16d76f...
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.