OpenTechnical

OT-2026-000052583

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052583) never changes.

Identity and time

Publication numberOT-2026-000052583 · never reused
Internal UUID01a0ae84-573b-76b5-add5-e185e05862ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052583
StatusPUBLIC

Content hashes

Canonical textd838489dbf90571fe2af8e57395c71f5c44e81c2e02283361db445a9fd7e95d2
Markdown581cf06c0a0812c398313077a1363879ce956ab9353a14f885b239f7d298ebf2
PDF
Publication pagea803d814fcfbdfce70f90e241a0bff37ac189aab5c3e9b9ff4afcc4329a4bf8e
Manifesteed686739ce5c5c89e57f022532da127762ee8378eaaf37c8d93a5c84b0bf1db

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
SignatureZsZ/dC9kkHIq1aj+9QJLi/SGCHHhJFYYzz9nRWNAfNrjf9MDrZFBsFS1jjELilnRrm1jkKF7XgDz6eC/EvtMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:14.759624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052583
observed a803d814fcfbdfce70f90e241a0bff37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.739909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052583/manifest.json
observed eed686739ce5c5c89e57f022532da127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.721570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052583/publication.md
observed 581cf06c0a0812c398313077a1363879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:14.704151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052583/publication.txt
observed d838489dbf90571fe2af8e57395c71f5...
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.