OpenTechnical

OT-2026-000052335

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000052335) never changes.

Identity and time

Publication numberOT-2026-000052335 · never reused
Internal UUID01a0ae83-e791-7d01-a697-cc7752ce9da2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052335
StatusPUBLIC

Content hashes

Canonical text238f41fabd82277bfdce121e486761ee12949b81302ca48e9f614a2a5d0f36cb
Markdown0b2a61b6f20fd077dc70481e6a7e8344483567d67e75d21bb3183b4789718344
PDF
Publication page017ba2d4374cc884d085c0ce18de19186bb97695292db58fdf4971bdcd5da718
Manifest787abe9cfbc367b432703d619af6ac3ae95afecce1103941188742a7509d8e48

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
Signatureuolp456NIXFrEWGpP8zxDeFDv9aMN0COaUm+5331V9moqJKpqK+Xe/dv93ihnKxRC174eliPPkMt96b7w9PaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:01.582704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052335
observed 017ba2d4374cc884d085c0ce18de1918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.565155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052335/manifest.json
observed 787abe9cfbc367b432703d619af6ac3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.548311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052335/publication.md
observed 0b2a61b6f20fd077dc70481e6a7e8344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.528247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052335/publication.txt
observed 238f41fabd82277bfdce121e486761ee...
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.