OpenTechnical

OT-2026-000008156

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000008156) never changes.

Identity and time

Publication numberOT-2026-000008156 · never reused
Internal UUID01a0ae6a-908c-71e5-8bdc-a9f962606f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008156
StatusPUBLIC

Content hashes

Canonical text31b86f55f086e1329639dcac9603dcae26fd574775b0fbebd4d8c988eb9998ec
Markdown5f3817bd27c00d97b38f6a8bddf4f54169f7affabace633db9ddaadfc975b769
PDF
Publication page6a7c0882b6746c576a7e8fff857d3c62ca05b99dde4b71eb2c3d5c662d1267b6
Manifestf079693510b5567e1ed2a4641cea355bdc945deae5da865915f8171accbe7c7b

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
SignaturexGxJzxFr3jVcucoBZX/63U8vnCGkmYCfIQzAhNZVFnH3PGL4Cc0nPKPN9IvY9gw2bsngJv9OO6EVjl08QWPsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:30.901305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008156
observed 6a7c0882b6746c576a7e8fff857d3c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.877214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008156/manifest.json
observed f079693510b5567e1ed2a4641cea355b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.859108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008156/publication.md
observed 5f3817bd27c00d97b38f6a8bddf4f541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.841511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008156/publication.txt
observed 31b86f55f086e1329639dcac9603dcae...
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.