OpenTechnical

OT-2026-000017702

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000017702) never changes.

Identity and time

Publication numberOT-2026-000017702 · never reused
Internal UUID01a0ae6e-96fa-73a0-bf83-03c9dc4d8738 · 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-2026-000017702
StatusPUBLIC

Content hashes

Canonical text13bb2898dc1e04ea6f9b3305bb7eabc769f3c4f1b3b4d298199d72508b94129e
Markdownc2d5e09eba94bc9b09cac9fd611189b3290e465d81cd66f627e9d70b7d66a208
PDF
Publication page2431fe57d5767d46a9323133d2cd5dab2772a3f1c8167a41a8bc900bd09dd3e0
Manifest328139984064cae2f1d5c20cd660036c44b1437c70aa832675ae3eccf00b7aa9

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
SignatureqkfdZgxQOCeqTy7mE30dE97TxxsTfkv98vbYU5lMG3wGQAnKV+stzMka3h82r/n3mOTAem6gRzQsqQTpfG+WAw==
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

2026-09-17T12:01:39.235424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017702
observed 2431fe57d5767d46a9323133d2cd5dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.217987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017702/manifest.json
observed 328139984064cae2f1d5c20cd660036c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.200309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017702/publication.md
observed c2d5e09eba94bc9b09cac9fd611189b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.182826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017702/publication.txt
observed 13bb2898dc1e04ea6f9b3305bb7eabc7...
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.