OpenTechnical

OT-2026-000007071

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, ejector fed, plastic cups

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-2026-000007071) never changes.

Identity and time

Publication numberOT-2026-000007071 · never reused
Internal UUID01a0a971-9175-75f2-94f1-8a3f34bbe8d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:47.448324Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007071
StatusPUBLIC

Content hashes

Canonical text996468da780ad7e3ca348d08d2f25e830e5d23a7ce0367a35dee0abdac891155
Markdown4d3abc643f091369e611b1f19fa45337ac2dd248690a28653b0ebb6f8f6a3512
PDF
Publication page1540b9b6e4056a24503b347fa6f79e09866e7c45c9d05d60ef29991d0486e234
Manifest5e1cad2bb3867225a745d7264a5e554cf09f778b0caaf26b1a975abbbf3d40cb

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
SignaturekB2d5yX5oR6a7+g+rCzCnmxr+8eOhBYS1KfPyes4JFfNW/ribagYThsHrKrqBJmcfQKzAAGD3lbLkg/rDkapAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:04.747749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007071
observed 1540b9b6e4056a24503b347fa6f79e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.734381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007071/manifest.json
observed 5e1cad2bb3867225a745d7264a5e554c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.718229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007071/publication.md
observed 4d3abc643f091369e611b1f19fa45337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:04.704080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007071/publication.txt
observed 996468da780ad7e3ca348d08d2f25e83...
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.