OpenTechnical

OT-2026-000069242

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069242) never changes.

Identity and time

Publication numberOT-2026-000069242 · never reused
Internal UUID01a0ae90-b528-715e-9a50-f3bf60e29fea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069242
StatusPUBLIC

Content hashes

Canonical textc67c602ca1719241ccae7769e3a6ea8f6b03d08739e7ebc40e4429b0a78a9a44
Markdown328d5ff8e88a51c3c50a978ea8e380e62b08b753ff3915b1e76b3d0d0fc4bacc
PDF
Publication pagefb50847e060b2cea6601391596937c2fac2124d31b14425911b3525eef46305e
Manifest31bbbbb7958fbad726adb60e2f8224b33e56e096d75231dc94c9b73783b39dd0

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
Signaturelps6k5oRLgMc8bXf0ld4U10qrklFKS8IaJs4gieje2d7c3MIs+tSQFRsZeW4wgPxnFWnKZuHOPGTnZ6yLmLxDw==
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

2026-09-17T10:27:18.760060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069242
observed fb50847e060b2cea6601391596937c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.742336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069242/manifest.json
observed 31bbbbb7958fbad726adb60e2f8224b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.724928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069242/publication.md
observed 328d5ff8e88a51c3c50a978ea8e380e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.708889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069242/publication.txt
observed c67c602ca1719241ccae7769e3a6ea8f...
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.