OpenTechnical

OT-2026-000014571

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000014571) never changes.

Identity and time

Publication numberOT-2026-000014571 · never reused
Internal UUID01a0ae6d-b27b-725b-bafe-5b855d168f3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014571
StatusPUBLIC

Content hashes

Canonical text7db737f8a0d7fab096d19bfa55da813e3c78265bcf4b91a69693ac4211053906
Markdown448364c549b391e1d672436ee50d8168fc608fcc8baa78f4097e2127442c89a2
PDF
Publication page123b3c9a20e2023c9fcfd900146733c150e716d38dc67732522696e921c85b9f
Manifest29b0d665a0385d471c7a707dbd27ec72b4458d3789fb18d2f17718c5c4e523a5

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
SignatureDJ31CoxJWoqf6mm3Xi8+L3+OP/kW7/vEzWU5MI0BnKNAToYDMw/qCRL5/hD/4ZrsQehcgFZBezbsK+PAyORNCg==
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

2026-09-17T12:10:27.344900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571
observed 123b3c9a20e2023c9fcfd900146733c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.323206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/manifest.json
observed 29b0d665a0385d471c7a707dbd27ec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.294292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/publication.md
observed 448364c549b391e1d672436ee50d8168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.262242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/publication.txt
observed 7db737f8a0d7fab096d19bfa55da813e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.669780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571
observed 123b3c9a20e2023c9fcfd900146733c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.651937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/manifest.json
observed 29b0d665a0385d471c7a707dbd27ec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.634902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/publication.md
observed 448364c549b391e1d672436ee50d8168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.616036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014571/publication.txt
observed 7db737f8a0d7fab096d19bfa55da813e...
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.