OpenTechnical

OT-2026-000088649

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088649) never changes.

Identity and time

Publication numberOT-2026-000088649 · never reused
Internal UUID01a0ae9b-8f0f-7c8e-8818-5f217a888718 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088649
StatusPUBLIC

Content hashes

Canonical text228c58793eb1a329884c3676a5957042fafb82c9c4979813c89b9581e3e6fd12
Markdowna66609d6d1fb3e9edd4fb32008051c78d28ff83b55e78ea9966d3f713a9a48b9
PDF
Publication pageb46c9c37ece5f8be49ae81c0686d961f89194b5688529ae9ebe9def4b5b1f8dd
Manifestee03e183d296b3d7de9b5b73181f5afb528fed7780cb5cd77da5c92fbae2e33d

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
SignatureeODpDlk/bILj+HGom9nkc+rJZKFWsE9b9kEPyICg+Gqz2bxrTjEDTBmuFDCb/VfSryJX1H2HcVrs562rfDKFBQ==
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

2026-09-17T09:47:52.170780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088649
observed b46c9c37ece5f8be49ae81c0686d961f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.147605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088649/manifest.json
observed ee03e183d296b3d7de9b5b73181f5afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.123986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088649/publication.md
observed a66609d6d1fb3e9edd4fb32008051c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.099675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088649/publication.txt
observed 228c58793eb1a329884c3676a5957042...
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.