OpenTechnical

OT-2026-000043482

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000043482) never changes.

Identity and time

Publication numberOT-2026-000043482 · never reused
Internal UUID01a0ae7b-92ce-727d-b267-3ed3ee82041f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043482
StatusPUBLIC

Content hashes

Canonical text2876c086e1b0f61e6982f831651a13eb6d2bddfa0ebd6cc593d93593383b8662
Markdownf16fc6ec3bb1e90ff9b02ac78e3fc74837dc170a32464b5d2b6058cfd223cdcb
PDF
Publication page20b29da7c238684fb30dda99a70d354f6a1f1c67e0a4635695306593aa419761
Manifestda93eb75fbded4bd747e575eaeb89ce4499c5861b8d88bb7673318ecb0f65407

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
SignatureQsTgdmdHB9bFeGHmS4QoJ3M3wfkGrLaBumteW84V5KeISvZo4xmfvK1c8BkgGY/AL9aVcejEupjC5+Yo2Zw2Aw==
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

2026-09-17T11:12:50.514688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043482
observed 20b29da7c238684fb30dda99a70d354f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.495837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043482/manifest.json
observed da93eb75fbded4bd747e575eaeb89ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.476506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043482/publication.md
observed f16fc6ec3bb1e90ff9b02ac78e3fc748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.441610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043482/publication.txt
observed 2876c086e1b0f61e6982f831651a13eb...
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.