OpenTechnical

OT-2026-000058228

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000058228) never changes.

Identity and time

Publication numberOT-2026-000058228 · never reused
Internal UUID01a0ae88-6edb-786f-a801-2af912c10dd1 · 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-2026-000058228
StatusPUBLIC

Content hashes

Canonical textec061ea01c629b99297bcfd14610dee6f8cd179c2ace365e07b26121fcfdb7b3
Markdown5c3a8eec104c1ea95ada2613f717d3f31b3ba4e01164f66808620a38c626e51e
PDF
Publication paged8d727db58cafe636d932ac90a34578b1fb722f325df90195b9b430936583b97
Manifest5e6af5b76896340e30df26a1c2753575facdbf901a6fd6dc272cf9720235cc36

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
Signatureg1/TCkrGpSh5jYT+5CggrK8gZt5k2/V+5b5kc7kakDPLB3fMMJC2Gm1U3kKwAo3Zn+DysADY+Pouw1QjLDJ3BQ==
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

2026-09-17T10:47:56.221976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058228
observed d8d727db58cafe636d932ac90a34578b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.205842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058228/manifest.json
observed 5e6af5b76896340e30df26a1c2753575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.188051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058228/publication.md
observed 5c3a8eec104c1ea95ada2613f717d3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.169553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058228/publication.txt
observed ec061ea01c629b99297bcfd14610dee6...
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.