OpenTechnical

OT-2026-000058687

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000058687) never changes.

Identity and time

Publication numberOT-2026-000058687 · never reused
Internal UUID01a0ae88-f39d-74fd-aed2-ed98bac27783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058687
StatusPUBLIC

Content hashes

Canonical text37a1d45a8b1fe9d54ed9bd8e89d8a37aed17a1f0b7e33ce9ba4b07935b7bc951
Markdown3b67d1ae56388bbb73814b1cbdf93c2abe0cb5be722c8da6a22809e49ee7b7be
PDF
Publication page5b5e852d2e193273ff1ebdf68f65245c4fa24d2ec10b9a5ed82a4fd0e1cc8cd8
Manifestd7cc97a63ea539ec4a925f8495bc4ec1aa6c52e5095535112691494da32690d4

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
SignaturejnlIpIKziLrHHsXigStjSBdxFj2KuF4QnhWTBuM2dGuayqhZiDGyTekr6MjfCUWY9Uic7mNMLbt/0uCFgg/tBQ==
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

2026-09-17T10:47:12.531394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058687
observed 5b5e852d2e193273ff1ebdf68f65245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.513818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058687/manifest.json
observed d7cc97a63ea539ec4a925f8495bc4ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.497116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058687/publication.md
observed 3b67d1ae56388bbb73814b1cbdf93c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.479145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058687/publication.txt
observed 37a1d45a8b1fe9d54ed9bd8e89d8a37a...
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.