OpenTechnical

OT-2026-000025735

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000025735) never changes.

Identity and time

Publication numberOT-2026-000025735 · never reused
Internal UUID01a0ae71-9bca-7dd2-aee8-d4d604a4eb56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025735
StatusPUBLIC

Content hashes

Canonical text8ddc6af940a2018c04179b977232500a972c9f650188945f530b3209c502a551
Markdownc05573a4000301141b2472d55f31524dd7ced68f26a8e9e08f925208d192db1c
PDF
Publication pagebef50ff4920962320a27a9d43eaa2148af7e748cfec4d7c74b6139721fdbbaa1
Manifeste9c84400f5f2208a9b316fd34a3d3928ae090fe0a5e455c88ea3e33c18fa613e

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
Signature3r6R5J00c+U+koRJkD7yGTgXdUXf43hHMrECVruk0J1nkKHO2a5v1hMw9cgizSh1Z6g7/nG83yqS0cFyWK8oDQ==
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

2026-09-17T11:46:57.466389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025735
observed bef50ff4920962320a27a9d43eaa2148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.446630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025735/manifest.json
observed e9c84400f5f2208a9b316fd34a3d3928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.428506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025735/publication.md
observed c05573a4000301141b2472d55f31524d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:57.409807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025735/publication.txt
observed 8ddc6af940a2018c04179b977232500a...
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.