OpenTechnical

OT-2026-000056090

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000056090) never changes.

Identity and time

Publication numberOT-2026-000056090 · never reused
Internal UUID01a0ae87-0a4b-76a0-8e1f-b75ee95673cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056090
StatusPUBLIC

Content hashes

Canonical text62185926d091929a2b72866e0b0657086b76e5e563f40cdbb51ab10ef22ff941
Markdown77d95d8ed87ff5e89124ab61188018a9c23243a8d2974b482d6235414346c0d0
PDF
Publication page8cebd66c225448da7ebb26198a83b8398a761514aa25faf3a3750aef07039056
Manifesta5551b7ce892c7859a5612ee9ebeb1166919d3a973d0c8d5a1d4bccc055f7a66

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
Signaturep5M9du/xL33bJfXNFoCuuHOe66DrW4oo31xs8XQT7bKiH6poqnw7qMbUE0giC0CW60mX/g0K1OGw0d3FeXF9Dw==
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

2026-09-17T10:51:09.674685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056090
observed 8cebd66c225448da7ebb26198a83b839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.659179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056090/manifest.json
observed a5551b7ce892c7859a5612ee9ebeb116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.630914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056090/publication.md
observed 77d95d8ed87ff5e89124ab61188018a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:09.602019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056090/publication.txt
observed 62185926d091929a2b72866e0b065708...
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.