OpenTechnical

OT-2026-000078559

Publication integrity record

Four bellows 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-2026-000078559) never changes.

Identity and time

Publication numberOT-2026-000078559 · never reused
Internal UUID01a0ae95-7c29-7526-9d7c-e8077e4770af · 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-2026-000078559
StatusPUBLIC

Content hashes

Canonical text61c9e4c848523d4011e067923418eb38911b6fd89ffb8db7f2148f244a4fdfb7
Markdownf71f70a05e5c0e2199cd56ecd467819388d046cca656c778317880a4af80f6a4
PDF
Publication page7c41fc5008187c4ecd3c0979d44f031793f17b08dfdcff557d47766686eb2834
Manifeste9890af0895319afd88c7f5e811b77cbc7552b6fd9323e9d9a06d09e8dc5a56b

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
SignatureomoFGUD1wba39jdz1sTCGX6An6jZY4eSuHBmCbxUNfwPfs2kP0YyFss6VawC/ds7Kq4nwfLDzNcjb0yz9xj9DQ==
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

2026-09-17T10:06:34.902615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078559
observed 7c41fc5008187c4ecd3c0979d44f0317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.871030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078559/manifest.json
observed e9890af0895319afd88c7f5e811b77cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.849734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078559/publication.md
observed f71f70a05e5c0e2199cd56ecd4678193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.828962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078559/publication.txt
observed 61c9e4c848523d4011e067923418eb38...
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.