OpenTechnical

OT-2026-000007490

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, pressure verified, rubber cups, oval form

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-2026-000007490) never changes.

Identity and time

Publication numberOT-2026-000007490 · never reused
Internal UUID01a0a980-bb1f-74d4-a805-a6c3c91278ab · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:16:21.154209Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007490
StatusPUBLIC

Content hashes

Canonical text14120e51dd36fa3ee68560848389c033d6896fd40ce89b6b2d707828f02c3c25
Markdown75e040169564c90a67a71b3f61fc60377af3e6d2001eb2d8b5927dca8392c237
PDF
Publication page0423de45214217fe5bc3de48da8f66a0e055b71ba43813fd33313f39609b5611
Manifest8d58f13a16bd81a4c18205650e8b0b774aa1c42e9b153a6be77d9f4c4034325f

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
SignatureBEDC3jKab97D2dGEHNRcMNqJFBw2yAwGRId9GZGn0wI4ajrcMFlgFancYTz5e/xjrKKY1iJS5iEWzXoRV8xdCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:02.475143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007490
observed 0423de45214217fe5bc3de48da8f66a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.460727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007490/manifest.json
observed 8d58f13a16bd81a4c18205650e8b0b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.446860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007490/publication.md
observed 75e040169564c90a67a71b3f61fc6037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:02.433657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007490/publication.txt
observed 14120e51dd36fa3ee68560848389c033...
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.