OpenTechnical

OT-2026-000089114

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000089114) never changes.

Identity and time

Publication numberOT-2026-000089114 · never reused
Internal UUID01a0ae9b-daff-76fd-a897-fda6303ae164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089114
StatusPUBLIC

Content hashes

Canonical text74b8e2d73f757db3d03ddecf14f089ae590cb7282800176e2801bd1e83a46613
Markdownc4ded1b0632c63e5b77a82f172a31ab2c32bbd27e31ca3fc008148473b00a95f
PDF
Publication page173bf84697f0dc7b8becb00cd514f15341c8c5aaf6846ac9b9dedf571d2a7145
Manifest6a55e64169d09fd31049e148f890787d7f8cf45f919b866f2bdbb1b4f0658b44

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
SignatureT5wpXbxjwDUzgwq5amrVOzgHVMNYaicoAv3phxoKE1sxefvmtlzZsaXIGJhAz6N9VMMgjF/xGu3yLgqYhG3NBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:54.691957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089114
observed 173bf84697f0dc7b8becb00cd514f153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.645195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089114/manifest.json
observed 6a55e64169d09fd31049e148f890787d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.627854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089114/publication.md
observed c4ded1b0632c63e5b77a82f172a31ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.577939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089114/publication.txt
observed 74b8e2d73f757db3d03ddecf14f089ae...
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.