OpenTechnical

OT-2026-000069131

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000069131) never changes.

Identity and time

Publication numberOT-2026-000069131 · never reused
Internal UUID01a0ae90-6dcf-7a97-be25-598466338a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069131
StatusPUBLIC

Content hashes

Canonical text9d0953d049ea200710fb8c0a79099ca6de17a35213dea62dc673c9fc559a77da
Markdown3985ba9e2a6bf044f4783be7c84bdff4ad9bff934cb436d88f1d38c78e6dc3c6
PDF
Publication paged92ae83750a30e79fe517d56498bed9e41b753d25f7df333f6410517f3272294
Manifestd601595b90801c4feb9ecd6bba79ba4f4fa4c2896fd9a5e76f8c689a94baf1bd

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
Signature2Ry0KBs4psydBwTpoodmBOjGZQwEZH/D1nQ49oFIqrmn8AvDNoiTTY5ou838iFzait+cm7AeSgR0yUQTW2BCAA==
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

2026-09-17T10:29:00.714798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069131
observed d92ae83750a30e79fe517d56498bed9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.697013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069131/manifest.json
observed d601595b90801c4feb9ecd6bba79ba4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.680205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069131/publication.md
observed 3985ba9e2a6bf044f4783be7c84bdff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.662091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069131/publication.txt
observed 9d0953d049ea200710fb8c0a79099ca6...
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.