OpenTechnical

OT-2026-000026571

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000026571) never changes.

Identity and time

Publication numberOT-2026-000026571 · never reused
Internal UUID01a0ae71-f4a9-7a5f-a5e3-369c4af74d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026571
StatusPUBLIC

Content hashes

Canonical text034d85eab955257e27ec5588655abc0ef1db06f758afb5e644c8acd4865d0a9c
Markdown593433ffb130309465186dbbbfa6fd1e3e013f37f74eb1ddee4de9ebd2647cbf
PDF
Publication page4776ca9cd56216c919d6eae521c619dab9507f80c4244daad6ebc6e08a35c087
Manifest1ed19c9bd4c75fe85c39e03a7f4679871e664446de9e823ae73216470dd91a97

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
Signaturejx7g/tcAbcm4UfM0MjR/eLLRsYvmo2wtj6SX6DKkpdCM1VDG5J1mti+ggFCYDXQxOqvcEjLBJVQzKH0AZklIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:42.015959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026571
observed 4776ca9cd56216c919d6eae521c619da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.998882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026571/manifest.json
observed 1ed19c9bd4c75fe85c39e03a7f467987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.982158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026571/publication.md
observed 593433ffb130309465186dbbbfa6fd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:41.964815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026571/publication.txt
observed 034d85eab955257e27ec5588655abc0e...
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.