OpenTechnical

OT-2026-000017224

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000017224) never changes.

Identity and time

Publication numberOT-2026-000017224 · never reused
Internal UUID01a0ae6e-76c7-73d1-86e9-45e5f9c48ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017224
StatusPUBLIC

Content hashes

Canonical text36c7f4c77532e166a2fa4d05bd458671f521c6f27589c7ed55c818b1450050b2
Markdown9bb3a9c0d315e01241ad259bdf02b30c7e220de56cef4451edf9aec3ff037e9c
PDF
Publication pagec551467c3af6332f5f5e96c449861a96146bf840ae4f496695e1348a89c002f0
Manifest5e741f82bfce02847cbc0f41728539b4a8f4aed9d44b9b8d8e2a679f84907fe6

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
SignatureUR8a2uVGGptgOBcg0+tj2h0fbgaUJYw3OmPUYM3VlV8LTs0ybdnHe3lRQD0J9lB0al6tLmkAiybvpMLl7G+UCg==
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

2026-09-17T12:02:18.238767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017224
observed c551467c3af6332f5f5e96c449861a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.221299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017224/manifest.json
observed 5e741f82bfce02847cbc0f41728539b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.205844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017224/publication.md
observed 9bb3a9c0d315e01241ad259bdf02b30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.188700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017224/publication.txt
observed 36c7f4c77532e166a2fa4d05bd458671...
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.