OpenTechnical

OT-2026-000056707

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000056707) never changes.

Identity and time

Publication numberOT-2026-000056707 · never reused
Internal UUID01a0ae87-7af6-7dad-8bbe-5b95c42463d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056707
StatusPUBLIC

Content hashes

Canonical textaf8d162d55781a747dfab3d0e03052396b238e6f680a66c9e6b2783962070de7
Markdown853ea6dd09315477a8e983a1b9e94106b7ecf42629d3213e3423c1e62d52058b
PDF
Publication pageea8e1f37b448f830354c1e8006d7ef3196b336bd5caaf568f7fc740f06ea57fe
Manifestbf03fa0f1c5e64395866b838e355d273df893c61b4a30bd97dc166b41b383649

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
Signatureboc8VDW1fc66a6QxaXtQIag926no+ueodlqO2LFk7sYzHOvLdrEWMtgaWbCxLg0L87khf6GQt6y1H5hTORu2Bg==
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

2026-09-17T10:50:06.982459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056707
observed ea8e1f37b448f830354c1e8006d7ef31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.963312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056707/manifest.json
observed bf03fa0f1c5e64395866b838e355d273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.941600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056707/publication.md
observed 853ea6dd09315477a8e983a1b9e94106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.923063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056707/publication.txt
observed af8d162d55781a747dfab3d0e0305239...
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.