OpenTechnical

OT-2026-000078723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000078723) never changes.

Identity and time

Publication numberOT-2026-000078723 · never reused
Internal UUID01a0ae95-ccbc-70a4-8e20-53011613d618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078723
StatusPUBLIC

Content hashes

Canonical text53f3babf8df39e12be57f4e59674e44b6fa1df8f5d839206db3e266d40661534
Markdownea5e43a9cef462b8e7712669aec078ee27395e9970fca0644d2101e8b3fa3fef
PDF
Publication pagedf454e5001b45ba8f8bc9d0185fa0ea71b9551bc2346235351eec275ed36f7b3
Manifestfc6d915d32d82b47a72b69cb2f875273d2fd6527acdee7aa918f01ee05e09833

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
SignatureC+PB/gN4oUMn3YPWRl5h1+xBkMaZqaFs7JafECOpN6+r95oy2UVmqz+YKRRiXyNM2bjwbIV+RB/ADY6FupiqAw==
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

2026-09-17T10:05:30.418355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078723
observed df454e5001b45ba8f8bc9d0185fa0ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.400851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078723/manifest.json
observed fc6d915d32d82b47a72b69cb2f875273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.382625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078723/publication.md
observed ea5e43a9cef462b8e7712669aec078ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.364432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078723/publication.txt
observed 53f3babf8df39e12be57f4e59674e44b...
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.