OpenTechnical

OT-2026-000039859

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000039859) never changes.

Identity and time

Publication numberOT-2026-000039859 · never reused
Internal UUID01a0ae78-d8d6-715d-80de-f4d9e4d4b667 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039859
StatusPUBLIC

Content hashes

Canonical textb18ed8a4f6768fb4fa541482c09daf1e92d55e6a56746d5f66546c3080e3e18c
Markdown2f7c90ca131441a78b7ae7bcb58644456cde8a6e93c520353b4c8e8e433ef710
PDF
Publication page933744752c9ac31552c7d308085b9eb71fe9f7144a3c22c39e741a3a543a45f7
Manifest48404508506e0df9bea7447691f036fdbc05cc8d919d65afbc2856a1d91ba55c

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
Signaturei32+sknkxCiwSC/jD5403m4krrck+aUkFVPGr6jorc3GjElTNplVs1gPlfmIYxl3ua/N6YL81elxoFzbe6HACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:08.314338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039859
observed 933744752c9ac31552c7d308085b9eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.295721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039859/manifest.json
observed 48404508506e0df9bea7447691f036fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.276736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039859/publication.md
observed 2f7c90ca131441a78b7ae7bcb5864445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.257748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039859/publication.txt
observed b18ed8a4f6768fb4fa541482c09daf1e...
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.