OpenTechnical

OT-2026-000052966

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000052966) never changes.

Identity and time

Publication numberOT-2026-000052966 · never reused
Internal UUID01a0ae84-a430-764a-b9e0-c9495ccd5fd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052966
StatusPUBLIC

Content hashes

Canonical text85400e20f080a5fbaf1d90a5f577cc0d42433d6142d4062971a3b20ab633cb20
Markdownde2f501c254124f44fe03a250b13c689fbd808e0e1f7a86ae605760dcc868aae
PDF
Publication pagecbf1075d97e984205cfbbbb669c5db31f3c7d7efd0cd840d89da8ffcb01d088a
Manifest4b19be1efefedf5cb3bcd3110fb636ae52d2529adc4f5c2328338099865a48fa

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
SignatureZZYSYx/jLrj4HY5+KVyyt8YVGIB+Ntx9t/3sIQUw/aDBLHZ1G6pHwQLlTgGcZcS11wBAxSvkKPNMb+jlb8vrAQ==
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

2026-09-17T10:56:39.082783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052966
observed cbf1075d97e984205cfbbbb669c5db31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.065704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052966/manifest.json
observed 4b19be1efefedf5cb3bcd3110fb636ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.048641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052966/publication.md
observed de2f501c254124f44fe03a250b13c689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.031122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052966/publication.txt
observed 85400e20f080a5fbaf1d90a5f577cc0d...
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.