OpenTechnical

OT-2026-000061814

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented after set-down, on a tool changer

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-2026-000061814) never changes.

Identity and time

Publication numberOT-2026-000061814 · never reused
Internal UUID01a0ae8b-b8ac-76a5-9be1-f2b27fbf68cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061814
StatusPUBLIC

Content hashes

Canonical text28fcd7703c1e75b9f2e66ab87b420b52c92ccf7659196cb7759e694906055395
Markdown1241ac8931a64ca617d038ae5b82f0692d5e2e9dfb47a5a1bef8a599fbe1a25b
PDF
Publication paged86223938b3ca1dc8b6a9bf326f4becf3fec7b82733f385b0a6ef1ddf1f169a9
Manifest580e8c2d411a6d5ad467d48902ff2dd3247bc43fc5b56ddefac703e1b03f878e

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
SignatureG5N2cLh7BdZkkLeShFsdp/3t1+CdB5QtnStjHD8oe/hRrEgDBarctL82Nrk00g36Vb2I3q5LnZnH7o0F4dJ7AQ==
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...

Independent retrieval

2026-09-17T10:40:32.711552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061814
observed d86223938b3ca1dc8b6a9bf326f4becf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.691867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061814/manifest.json
observed 580e8c2d411a6d5ad467d48902ff2dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.671835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061814/publication.md
observed 1241ac8931a64ca617d038ae5b82f069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:32.650886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061814/publication.txt
observed 28fcd7703c1e75b9f2e66ab87b420b52...
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.