OpenTechnical

OT-2026-000078585

Publication integrity record

Four cup vacuum gripper, four 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-2026-000078585) never changes.

Identity and time

Publication numberOT-2026-000078585 · never reused
Internal UUID01a0ae95-7c29-7283-89cb-0ad6df0893dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078585
StatusPUBLIC

Content hashes

Canonical text37f06c1e42498f2a50a096f836d30fbb73809d9fdb225b4f511f4b7969744f38
Markdown7747b0c3efc41fa12a8a596c79b6a819465695a101ba7ccdb69174c885408244
PDF
Publication page0985c28beeb1a34cd612259564dce337cdcc3d393273eaa8e72fa0568f281916
Manifestd16f5fc2f181c6935f06688dbae9b95b747a50861527756fd7f66b07022d0a67

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
SignatureOopqEgmtOMNrdCo8LxN52vIm0ghlbG4r71ar+MbHfL3MEFWVu2j9r4qjvBqLIHeH3v2Z508J8Wutmy2SXIqeBw==
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

2026-09-17T10:06:36.768028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078585
observed 0985c28beeb1a34cd612259564dce337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.749294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078585/manifest.json
observed d16f5fc2f181c6935f06688dbae9b95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.730127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078585/publication.md
observed 7747b0c3efc41fa12a8a596c79b6a819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:36.710928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078585/publication.txt
observed 37f06c1e42498f2a50a096f836d30fbb...
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.