OpenTechnical

OT-2026-000009858

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, sustained 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-2026-000009858) never changes.

Identity and time

Publication numberOT-2026-000009858 · never reused
Internal UUID01a0ae6b-cb78-7dab-a622-8464fa3f63e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009858
StatusPUBLIC

Content hashes

Canonical text718efe08482efc3dda79f614ce2e29ea017ab6c8ba9c9f23a3fbf36159ba48e3
Markdowna3d2bf50a7afa75e37050ee75b857140e1211b4121e68fbce435525fc3410de9
PDF
Publication pagea895c9160f041f2ea330b02e956d7eaac78d3709e1f0557a676f270e35dee3ab
Manifest814ecf13dc5086811678322bfb26d1f0b672460ee6eb1f8baae519e1cbe0f3ba

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
SignaturebahcjD/4mxOWby38DdVPW3ftgm+5cAx7Do2sSjLxW8BifY8YPs92lk+wJDgLpcck1MP7jbBlIaSZuTaSoKSYBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:51.511337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009858
observed a895c9160f041f2ea330b02e956d7eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.492285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009858/manifest.json
observed 814ecf13dc5086811678322bfb26d1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.472522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009858/publication.md
observed a3d2bf50a7afa75e37050ee75b857140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:51.452874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009858/publication.txt
observed 718efe08482efc3dda79f614ce2e29ea...
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.