OpenTechnical

OT-2026-000023567

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023567) never changes.

Identity and time

Publication numberOT-2026-000023567 · never reused
Internal UUID01a0ae70-7269-7bf5-96e4-01fcb13d54ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023567
StatusPUBLIC

Content hashes

Canonical text7bdeb954c2dc3fd4c217fb245ad8992c567302917b1c98f48e38fce0cac0c411
Markdown8f5f4196c1bc5e11cce324c8d95e808ad554626bcc933baa0ebf795e50a54324
PDF
Publication page0037d158e1e15299c5fbde53254d2dac33d4232d81a9da61b458ee21906b4fd1
Manifesta159f7338dfd9660148530fe3d50db2ec05aa49dd2309252e3a2a583c4bc2755

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
Signaturekv8j3J5sfWMK115kdJtX959NYdMyj0YSpiNyT+UYoDPR7Y0/TY6D6FVezIv20wKAc2Et9WPm+fQqmFkVOcS0BA==
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

2026-09-17T11:51:54.729227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023567
observed 0037d158e1e15299c5fbde53254d2dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.712734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023567/manifest.json
observed a159f7338dfd9660148530fe3d50db2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.696540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023567/publication.md
observed 8f5f4196c1bc5e11cce324c8d95e808a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.678755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023567/publication.txt
observed 7bdeb954c2dc3fd4c217fb245ad8992c...
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.