OpenTechnical

OT-2026-000056546

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000056546) never changes.

Identity and time

Publication numberOT-2026-000056546 · never reused
Internal UUID01a0ae87-7af5-7adf-a781-4ba3baecbbcb · 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-2026-000056546
StatusPUBLIC

Content hashes

Canonical text351db2acb9fe6b4968825d3f8dc61dedf0ac481e4dbb7ef60ddae3abf1fe0e72
Markdown451d9d2993142a6f11ef83f9da392581192277339341488cbe9d5170636067b2
PDF
Publication page2a843f386cf4b0726eff3e9ee0003a23e328e3b867c24f3eb93f1bd5e9b7d5f3
Manifest3589290d5d8e7873aecfcb7ff1f844162545b1eeb0665f3eb305dc5a4f333f5d

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
SignatureqoJUlprPsrwI1EiSE3w+fwMFBlluH3O15Raguyoxf2aSFrZdppUWF/DDve3/lS0GXzc52mkEvCSx9f566k9SCA==
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

2026-09-17T10:49:52.706711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056546
observed 2a843f386cf4b0726eff3e9ee0003a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.690358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056546/manifest.json
observed 3589290d5d8e7873aecfcb7ff1f84416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.671966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056546/publication.md
observed 451d9d2993142a6f11ef83f9da392581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.654514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056546/publication.txt
observed 351db2acb9fe6b4968825d3f8dc61ded...
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.