OpenTechnical

OT-2026-000017711

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000017711) never changes.

Identity and time

Publication numberOT-2026-000017711 · never reused
Internal UUID01a0ae6e-96fa-77cc-a7c8-1922c5f010ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017711
StatusPUBLIC

Content hashes

Canonical text92a0737c0dc638fd9e4c2a8923cb970b4f83ae79267f3426556e4c40527b19f9
Markdown3ffcb6798ca40d0ae2285db2f8d6219eb25cf6958b252ca780d785c3d39d9839
PDF
Publication page2862216a99ed87ad37e3988adfd4f3288f302afaf74762826b10408150b3f1d4
Manifest53d8152d82911e33523a187456c9a1c2b34bcfb7b34f3076e209c048543061d3

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
SignatureTyFcRkiXhtGvWcboWg0BoKmfHgGpr8FAkiMa+VcFUMNAPPKo5hcAqFz3x1GKQSzrYo++QSfVNdLQ0ulYqf9xBA==
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

2026-09-17T12:01:38.004578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017711
observed 2862216a99ed87ad37e3988adfd4f328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.987486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017711/manifest.json
observed 53d8152d82911e33523a187456c9a1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.970673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017711/publication.md
observed 3ffcb6798ca40d0ae2285db2f8d6219e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:37.952622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017711/publication.txt
observed 92a0737c0dc638fd9e4c2a8923cb970b...
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.