OpenTechnical

OT-2026-000056427

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000056427) never changes.

Identity and time

Publication numberOT-2026-000056427 · never reused
Internal UUID01a0ae87-4bd2-7f62-be02-5cbf60d08d2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056427
StatusPUBLIC

Content hashes

Canonical textd3bf63d73fa01bf8a45ace838fbf28e8b312682725c834ea54fc8e0ad4381125
Markdownf1ea7a4e1585ba055283c65e0e31cc0e8e6c7cbbfb1227d1afcd69871e61169f
PDF
Publication page1f6d7e73e49bbe48d346c657ecb9de56e759c31bce7d3f8eb6de6ae91699adf7
Manifest7d0ce2df93130a567eee16f68ec6a61bd3b79ee2f68f320327cde1629b87e1e2

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
SignatureaN81Rqes5kTSBrCBfJsa9n1iuH15aGqHWfD3hxNSkRryEO2tnGFUqyutjvnsorAVi3LmxQ9E6DPXlU9+kk2fAw==
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

2026-09-17T10:50:57.608102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056427
observed 1f6d7e73e49bbe48d346c657ecb9de56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.589405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056427/manifest.json
observed 7d0ce2df93130a567eee16f68ec6a61b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.571361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056427/publication.md
observed f1ea7a4e1585ba055283c65e0e31cc0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.553813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056427/publication.txt
observed d3bf63d73fa01bf8a45ace838fbf28e8...
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.