OpenTechnical

OT-2026-000058077

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000058077) never changes.

Identity and time

Publication numberOT-2026-000058077 · never reused
Internal UUID01a0ae88-6eda-7038-8183-7cc065057675 · 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-2026-000058077
StatusPUBLIC

Content hashes

Canonical textcbaaab4b1329b8841929e83cba303784f1163f386e67f57d9e3ab156bd3bfe30
Markdown4fb58f44fff4c22d93d9b9f9a4bb10501cadad8a75e4d854369515ec1584f055
PDF
Publication page5c27c14ccd96e10c0adcaceb18d19bee40624f5dc77f28c3a407370422faa244
Manifest6c1f93420600cd84bedb22f9907d4355ffe027d57881bc5923bd0e36e9d6e040

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
Signatureokjc+2yRasWgahOrUcv22ckH0y7gu3H333hUggrIZ3zs8fgyKmCdL0LjRhhQVDUFHfxnReHneHVOk0VaBRb7Cg==
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

2026-09-17T10:47:44.115561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058077
observed 5c27c14ccd96e10c0adcaceb18d19bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:44.097855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058077/manifest.json
observed 6c1f93420600cd84bedb22f9907d4355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:44.081356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058077/publication.md
observed 4fb58f44fff4c22d93d9b9f9a4bb1050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:44.062788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058077/publication.txt
observed cbaaab4b1329b8841929e83cba303784...
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.