OpenTechnical

OT-2026-000078773

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000078773) never changes.

Identity and time

Publication numberOT-2026-000078773 · never reused
Internal UUID01a0ae95-ccbc-7865-b99e-8e22030b154a · 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-2026-000078773
StatusPUBLIC

Content hashes

Canonical text195a97ec4c2641d3bab74a4c091de1e8eeff029bda8f3ee1ea17bc45310ac3c7
Markdownb6cbc80f51d1e58cdcc2bdb97b727cda552e0865d0fa676cf8b1c8901392ea87
PDF
Publication pagee90ecad362458e067ab31f4c371212a319081f1c92b0b15f646fa95b0cdea8df
Manifest0f38f63c140b365b9b9ea2b8ce0b89df26c8688ad531e808d7b5758ff8159d87

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
SignatureeaaEDmb1tWaweiz6+2MN/HdKSKfg22/khXe1XnvTksmWfE73pu1UW4F0/7VYoLq6oAt6q5Kt/+uwnjEoEYKnCA==
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

2026-09-17T10:05:33.629215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078773
observed e90ecad362458e067ab31f4c371212a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.607903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078773/manifest.json
observed 0f38f63c140b365b9b9ea2b8ce0b89df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.589735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078773/publication.md
observed b6cbc80f51d1e58cdcc2bdb97b727cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.572177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078773/publication.txt
observed 195a97ec4c2641d3bab74a4c091de1e8...
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.