OpenTechnical

OT-2026-000051778

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000051778) never changes.

Identity and time

Publication numberOT-2026-000051778 · never reused
Internal UUID01a0ae83-7c83-7cb6-aa08-669cacfbd1dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051778
StatusPUBLIC

Content hashes

Canonical text3be97226ca13573721a1cbb6d1bc834178a4244995a43bb20d649a9500f2670f
Markdowna2806e52ccc5ee7e959e6cb5c06a610a315a1365c1c1a0bc731e7f439992de88
PDF
Publication paged925b3c344cea211fa9769fb3262e0e1a306afa5edbf591d318d351b7e0667fd
Manifestf0fe811349d393624e62aa421c3bf0ab1fd85c4e53f3d13af72744e37052ea71

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
SignatureCj0SLq+oAIXulX7IXBbubdY+Vsy37i9ARAUFeHinVwoDggnt//d7W1DW8DsKuI5vqJj23f9aK7y9lTcEDaYWBQ==
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

2026-09-17T10:58:41.133441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051778
observed d925b3c344cea211fa9769fb3262e0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.114160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051778/manifest.json
observed f0fe811349d393624e62aa421c3bf0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.097627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051778/publication.md
observed a2806e52ccc5ee7e959e6cb5c06a610a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.080743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051778/publication.txt
observed 3be97226ca13573721a1cbb6d1bc8341...
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.