OpenTechnical

OT-2026-000058036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after 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-2026-000058036) never changes.

Identity and time

Publication numberOT-2026-000058036 · never reused
Internal UUID01a0ae88-6eda-75ec-9b5a-737a4cc52b48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058036
StatusPUBLIC

Content hashes

Canonical text30688f32cef3cd5c4ff9bce51df07dd3ea356fa66ffc9ec203a30fed419989c0
Markdown77158dce18cf0b2adf6a512dcc19b2962bf9b3fc01d36ba9cc164bf22e91a63c
PDF
Publication page0f354804f001d494ee9ebb130b0c6a0fb78896575f9b53a584ae0a20e3e838c4
Manifest35e52c1009a1abcc96641450a098d3447561123a5df05cdc9c7bb1e06ed7be6d

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
SignatureEhDJOfroxMxZsD6K7xJnZvq9RdEeaMXpo39gPRal101lFiipPCukFzUE0Yg4d6YCZbq/JhPqMhLEKoK9xybVAA==
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

2026-09-17T10:47:40.921283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058036
observed 0f354804f001d494ee9ebb130b0c6a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.901080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058036/manifest.json
observed 35e52c1009a1abcc96641450a098d344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.883282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058036/publication.md
observed 77158dce18cf0b2adf6a512dcc19b296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:40.865831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058036/publication.txt
observed 30688f32cef3cd5c4ff9bce51df07dd3...
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.