OpenTechnical

OT-2026-000056710

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000056710) never changes.

Identity and time

Publication numberOT-2026-000056710 · never reused
Internal UUID01a0ae87-7af6-78b4-a411-6aa9bdae8e4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056710
StatusPUBLIC

Content hashes

Canonical textce3b6bf252929ea324ec42a89455cd03ba7156cb7299e2ffd70c2e5e4c12c213
Markdowncf59abce7e6e8e57f7b94a3eaad18c4104a9247750b962c10231cfea60d52383
PDF
Publication page369e0fe0ca53f8732f6fe8251b350089a0088c6a4a0eb46a9f6c532a555741ff
Manifestb7b5c4b145d4c58988cd1fe634ed0e182803e699ea6c7b4fb45f138fec85f273

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
SignatureP7x/nDyDwNBUGiPIXLFDID9W/l17mXV0QvUjbOodyOESUpHgmW+XNcXLeCMWaUajepo8ybfN72+oixe7UeJxCA==
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

2026-09-17T10:50:07.145672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056710
observed 369e0fe0ca53f8732f6fe8251b350089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.121823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056710/manifest.json
observed b7b5c4b145d4c58988cd1fe634ed0e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.101523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056710/publication.md
observed cf59abce7e6e8e57f7b94a3eaad18c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:07.079861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056710/publication.txt
observed ce3b6bf252929ea324ec42a89455cd03...
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.