OpenTechnical

OT-2026-000061091

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000061091) never changes.

Identity and time

Publication numberOT-2026-000061091 · never reused
Internal UUID01a0ae8b-137e-7149-a4d6-a41b2965ef5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061091
StatusPUBLIC

Content hashes

Canonical textdf483874067071a49e2075fe3bce2c245f3b0638060c94e07d01bc6c817d79ca
Markdown7b2ddf4be9aee05b4ad508004fcbf0486858c982c9126bba653efa4aef8ab8cb
PDF
Publication page5ba96a78026433f0e2f800658926c297ce8c31cd3e43f25c0eff222548ca8ae9
Manifest0685cc393c7937f6d63d14a5b9f246ba62a24bc19a6955f3d54ebe5cea6d1858

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
SignatureZYal1SU1rNNIgqGGcB0bZHqJb0DR3e0jPXvc9M32bW0RucB/P42NWj1fNjGsEqaYs/KC1tvC/KhkuEPh8W6GCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:27.445205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061091
observed 5ba96a78026433f0e2f800658926c297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.427918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061091/manifest.json
observed 0685cc393c7937f6d63d14a5b9f246ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.408997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061091/publication.md
observed 7b2ddf4be9aee05b4ad508004fcbf048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:27.390367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061091/publication.txt
observed df483874067071a49e2075fe3bce2c24...
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.