OpenTechnical

OT-2026-000070618

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000070618) never changes.

Identity and time

Publication numberOT-2026-000070618 · never reused
Internal UUID01a0ae91-8c2b-7ce1-8040-1364597e6f4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070618
StatusPUBLIC

Content hashes

Canonical text60a94cb37f4dab19d6958e770692e17c70d4436e92eaa60804a9e48658ccb9f6
Markdown14202d0da3dd93ba4817af3d3c567904e10b069d3ff354f6ec6a9286b9111391
PDF
Publication page583bb6f33704af3afd95683465c931e4af89d5fa318da29c76c85ca5c230de20
Manifestb032cbec4dab6115203365f121b48ba10e5b283343a500d65ee613ff6f143108

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
Signature9u+QnOUozIYtP97x/IeTABJhcLP4E2fdjkcwsnMDDHKTNZA75F059xb+7n9UU+S0PP/xwxZPzadnyrSKCu3xCA==
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

2026-09-17T10:25:16.919858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070618
observed 583bb6f33704af3afd95683465c931e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.903613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070618/manifest.json
observed b032cbec4dab6115203365f121b48ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.886844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070618/publication.md
observed 14202d0da3dd93ba4817af3d3c567904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:16.870987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070618/publication.txt
observed 60a94cb37f4dab19d6958e770692e17c...
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.