OpenTechnical

OT-2026-000085752

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, sustained blow-off before set-down

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-2026-000085752) never changes.

Identity and time

Publication numberOT-2026-000085752 · never reused
Internal UUID01a0ae99-aaae-743f-83b1-6bb7807e9977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085752
StatusPUBLIC

Content hashes

Canonical textd704c60510cf0a25759a6602a6df919fe5769f241c0319f3f9bea08e9ead5ee4
Markdown737b87f7650d40c807cfa8d16f173220eec6104849d99bdd87a1bcc22e8350ac
PDF
Publication page3e02215c74881664810c5430aa4cdcd6a0423347615e018404e9e52f550c000e
Manifestb15806c27b5c89a3d531fadfcfea4cda9dfc945c19fc8ebadcc4351bb45ed2dc

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
SignatureQuDGdr+HAOE7qulOn9gzA/Jhx0cML/mnLedJyt2fk+eBopwHV5y2/4M5399IOMRWoZoYKIE/JdElLfeQW5fDAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:40.230487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085752
observed 3e02215c74881664810c5430aa4cdcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.213484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085752/manifest.json
observed b15806c27b5c89a3d531fadfcfea4cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.194872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085752/publication.md
observed 737b87f7650d40c807cfa8d16f173220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:40.173967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085752/publication.txt
observed d704c60510cf0a25759a6602a6df919f...
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.