OpenTechnical

OT-2026-000040691

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000040691) never changes.

Identity and time

Publication numberOT-2026-000040691 · never reused
Internal UUID01a0ae79-6d0f-7164-99e8-2232a24284bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040691
StatusPUBLIC

Content hashes

Canonical textb2783cb91a49af45cc3a700b9ff962a143b408995cbaa03a0455f3371e76c93b
Markdown221e4393cffe357f08c47089524c999f137a862832e49dd31817456e57189a04
PDF
Publication page542f847690fd0a9f070dd28036e96690951f7cdb14b061370d457a7488113a43
Manifestda79e89bff411e60a223616ef44a578f714f600532561b53c6f852bc5f57bfaf

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
SignatureCl9djIx14AWXyq338fncND1z9ZVzKmNGxtECpSUNpJmXgCTzhzpVfDiL7t2LzDV0+fdXdrQrZucp0lyZvj9ZAw==
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

2026-09-17T11:17:53.292398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040691
observed 542f847690fd0a9f070dd28036e96690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.275321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040691/manifest.json
observed da79e89bff411e60a223616ef44a578f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.256504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040691/publication.md
observed 221e4393cffe357f08c47089524c999f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.239832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040691/publication.txt
observed b2783cb91a49af45cc3a700b9ff962a1...
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.