OpenTechnical

OT-2026-000011823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000011823) never changes.

Identity and time

Publication numberOT-2026-000011823 · never reused
Internal UUID01a0ae6d-1941-70dd-bb35-b8334fe689b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011823
StatusPUBLIC

Content hashes

Canonical texte452f38cdfaba387ce87a6bc8235dc5c418520c3140ae7582c7cb856cd3fd0ec
Markdown70b95c2018b6860b0c4b27254c64c690a0e59dfbfa6705841cc08678532921e6
PDF
Publication page6fcf4e04583de993aff86a836ddcdbf34bd9d6f86a357e159c26848ce7d95016
Manifest288a0510a081d9546573fb4a10e579fafd77388885e73d8aa3fb5eac8a1b70c5

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
SignaturePK3fsubIsCzCpz9Hjasp6EkVjMGcNS14wou9867kBH9qRR10XLx4mBS+CO3itY4giuXN9dkjPNt/YLVVLbfRBQ==
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

2026-09-17T12:12:33.341319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011823
observed 6fcf4e04583de993aff86a836ddcdbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.322996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011823/manifest.json
observed 288a0510a081d9546573fb4a10e579fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.305996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011823/publication.md
observed 70b95c2018b6860b0c4b27254c64c690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.288051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011823/publication.txt
observed e452f38cdfaba387ce87a6bc8235dc5c...
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.