OpenTechnical

OT-2026-000027457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027457) never changes.

Identity and time

Publication numberOT-2026-000027457 · never reused
Internal UUID01a0ae72-6998-7e52-8e5c-f6d046c4907c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027457
StatusPUBLIC

Content hashes

Canonical text77d90538416400f27ac41f3a6457df321b1a3797664c922fab416bc7eb6a3442
Markdownbaaced29e389f18173ce0bcff92cafaa01d06ce13b53617e9622372af94f7cdd
PDF
Publication page6979024749fa89e24ecb356e96d390c225d5a2a82968affc57069efa6e815c1b
Manifestf3065bcfc631cf93dd03de2247aa2537f3b8e41849376244ba83d22d513396ec

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
SignatureSewfbgenxEjzt2t92niwMQA+PyuqyxcaMqoMY/kH1lcB8G06R92KDAMxBHmyCBaGgYANU8/4WYGQkeK9ii5GDQ==
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

2026-09-17T11:42:54.887934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027457
observed 6979024749fa89e24ecb356e96d390c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.869309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027457/manifest.json
observed f3065bcfc631cf93dd03de2247aa2537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.851614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027457/publication.md
observed baaced29e389f18173ce0bcff92cafaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.830675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027457/publication.txt
observed 77d90538416400f27ac41f3a6457df32...
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.