OpenTechnical

OT-2026-000041566

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000041566) never changes.

Identity and time

Publication numberOT-2026-000041566 · never reused
Internal UUID01a0ae79-e89f-7a40-b8bf-f58282c64c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041566
StatusPUBLIC

Content hashes

Canonical text34faf533a1288435dbb3c788f4eed45bb47dd173b422185a745d7f835fe01e09
Markdown66aa5c04e046429545267f18a9f8e7c0e969ca4724cb7fcbc3fb8caf823a2849
PDF
Publication page5e2e91f7b9d3307e59b71bad16dbcef38ac5b390980f6d1fc1befbaea9903328
Manifest4883683ca04e2aaabcf56893a02be27e9c8b97aa8ecf6472144d56af1dfa8068

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
SignaturezOT7cZM1VgyRsFtOVoUFtdfHC52mirIxv6kgXMqTBcHq1dme4YkfjPrmr7jjTzCZ9qjHelBnoyxDvBIfsbT0Ag==
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

2026-09-17T11:16:20.854386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041566
observed 5e2e91f7b9d3307e59b71bad16dbcef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.837824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041566/manifest.json
observed 4883683ca04e2aaabcf56893a02be27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.819943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041566/publication.md
observed 66aa5c04e046429545267f18a9f8e7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.802328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041566/publication.txt
observed 34faf533a1288435dbb3c788f4eed45b...
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.