OpenTechnical

OT-2026-000005562

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, pressure verified, vented before set down, plastic cups

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-2026-000005562) never changes.

Identity and time

Publication numberOT-2026-000005562 · never reused
Internal UUID01a0a93d-43b5-7584-a1e1-cd1f49489e67 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:39.673080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005562
StatusPUBLIC

Content hashes

Canonical textb9453f4c708c3941fdf4efa0a2a5930b984b97a2cadc676166d7af4a6738af07
Markdown0bc92995b02334b378322c35ae06b76e2d5fb6bccd23a2d9fd8c3b02b104e079
PDF
Publication page134a7db85a2b18304ebef0343078c308f1c157efddb788830fcea780f956f5df
Manifest868effb3ac5ed82a4cc4de144c970ab652e4209b8e02335dc457b79a5e70b1e0

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
SignaturecCyp+KA0Bq9Jp1ngaF5xPC5vXJi2EbXv8Ecpdsop/9bYffpfXpzVZSHqwlTXc/Jed6H1rff7/2KWik+U8gS7Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:26.437315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005562
observed 134a7db85a2b18304ebef0343078c308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.423404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005562/manifest.json
observed 868effb3ac5ed82a4cc4de144c970ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.410845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005562/publication.md
observed 0bc92995b02334b378322c35ae06b76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.397135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005562/publication.txt
observed b9453f4c708c3941fdf4efa0a2a5930b...
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.