OpenTechnical

OT-2026-000048617

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048617) never changes.

Identity and time

Publication numberOT-2026-000048617 · never reused
Internal UUID01a0ae80-4de8-7354-8868-eb6241004ec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048617
StatusPUBLIC

Content hashes

Canonical text1aa3a8ad2da85ba33b3ce3cbc1f50b0cb5d1d377db4e4ed237cd3d31355d1a38
Markdown7b086efe7dc666a80bcd710b862ffd863a99180d25e5d8591f24cbd2fd26814e
PDF
Publication pageedc1b0e93244ea3781882883fce1f7782acd493ecc2008fe2a0875e03ce8dd00
Manifest5f0482f68bc6affeeb5bd23731ae1a7fe69914013405e5bbd5b0ddaeceaa9546

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
SignatureFKGtbQnpy2j6rez46LhiWbEE01appEbFyBAsqSJ2D+UNkbTbsGLwakjxvDVv2flvBPXST/5UP//dpv1mAIk2Aw==
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

2026-09-17T11:05:26.133935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048617
observed edc1b0e93244ea3781882883fce1f778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.114482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048617/manifest.json
observed 5f0482f68bc6affeeb5bd23731ae1a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.094480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048617/publication.md
observed 7b086efe7dc666a80bcd710b862ffd86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.075577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048617/publication.txt
observed 1aa3a8ad2da85ba33b3ce3cbc1f50b0c...
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.