OpenTechnical

OT-2026-000057036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057036) never changes.

Identity and time

Publication numberOT-2026-000057036 · never reused
Internal UUID01a0ae87-d5b6-7018-9dfd-eca517a86d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057036
StatusPUBLIC

Content hashes

Canonical text8e7f97a3c46f9321c5eddb1d3a48d215a3d4c8d5ac603961f1b93fccfcf5bf2f
Markdown64bbcfec3e7ebc255a83ecb294d76abb759b03f72fd13039795feb96792db7bb
PDF
Publication page7278fcfcc4b7ad47457ef9208bda22050fda5b119d4dc892e2091cf965b1307c
Manifest718a92b3e7621090a8f9a43292291526169a46d5066eecdb7fede782804bfe0a

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
SignaturezUAGoZumXTNLCCJZZz6KfivmeTwlwVI+FYB3BuU5+Y8aXBZ1QxZHkg7borUQN3DFxsHt1kotzJF9QcJLtXmVAA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:31.101904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057036
observed 7278fcfcc4b7ad47457ef9208bda2205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.084799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057036/manifest.json
observed 718a92b3e7621090a8f9a43292291526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.068370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057036/publication.md
observed 64bbcfec3e7ebc255a83ecb294d76abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.052347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057036/publication.txt
observed 8e7f97a3c46f9321c5eddb1d3a48d215...
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.