OpenTechnical

OT-2026-000033758

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000033758) never changes.

Identity and time

Publication numberOT-2026-000033758 · never reused
Internal UUID01a0ae75-a390-75b4-bdd0-2d9e292955c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033758
StatusPUBLIC

Content hashes

Canonical text440823f96eadc939588e2094e14333a297b843c49bcf748db919580535c1eaef
Markdownd6532cd41c23a889d731a73129c01805ca96cf70b95383a5a46dda75e8c0af3b
PDF
Publication page97d41307f79a9cecfd1686c29a43c597f94ca3c6cc8313b4ccd0bcea80403ba1
Manifest514a2f0f39c8f16d3f9983297f61e9a4eef3f24d32389998b36d19e8f4822e38

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
SignaturexTZArGNsMRenTWxACWh1xVjJ6G5ZQSOO2AL3W+liUFhLqprOh+hezywEdDfjmPnan4R5j5gRDAW30eTsV3L6Dg==
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

2026-09-17T11:31:46.388043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033758
observed 97d41307f79a9cecfd1686c29a43c597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:46.361952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033758/manifest.json
observed 514a2f0f39c8f16d3f9983297f61e9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:46.342402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033758/publication.md
observed d6532cd41c23a889d731a73129c01805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:46.319688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033758/publication.txt
observed 440823f96eadc939588e2094e14333a2...
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.