OpenTechnical

OT-2026-000058916

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000058916) never changes.

Identity and time

Publication numberOT-2026-000058916 · never reused
Internal UUID01a0ae89-479f-75cc-b12b-803bdacdbd7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058916
StatusPUBLIC

Content hashes

Canonical text8d5510d7ac3894756547c940ca72d074f60a77fcc98cb526d343a3bcb531df77
Markdowna4d7941c1eb50c290fdbbcaa89c4d672c5c5cb715192b78f599346d46d926b7d
PDF
Publication page9278fd8d3d490190ca8c2a56c87cd0618dc88a2a6c67934c9d3bf0970c42db26
Manifest1ce3fbc493ff0fb24def992a2c6dd999894e7fb1be0aa5d196e9d0c194c4e8a0

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
Signature8g1qTRs9aYE2NKnAH2f8zcYdYlb/s/Tl43bs540fYEHtgVkvFbH8Gkfb7hCLgU6PATkPp69GOz1z0nR8mv8/Bw==
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

2026-09-17T10:46:28.235454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058916
observed 9278fd8d3d490190ca8c2a56c87cd061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.216576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058916/manifest.json
observed 1ce3fbc493ff0fb24def992a2c6dd999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.199979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058916/publication.md
observed a4d7941c1eb50c290fdbbcaa89c4d672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:28.181651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058916/publication.txt
observed 8d5510d7ac3894756547c940ca72d074...
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.