OpenTechnical

OT-2026-000024649

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000024649) never changes.

Identity and time

Publication numberOT-2026-000024649 · never reused
Internal UUID01a0ae71-2725-7efc-b8e7-89494a225401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024649
StatusPUBLIC

Content hashes

Canonical text5922ffea6d5b1947b692fda16e60c67330f461ee5a7ca783cf2e8621f218c6db
Markdownd23b06a33fe972cdb26ba9878b6b1ff6743366a158ed1d7f25e9969d3a17741d
PDF
Publication page68a0297dc9180586e507faa47f4ab6ec11bfa8dcc1cd92f69be6ea50448b9515
Manifestaca40bce4f842cc03a6c0cf9e81280cf1925da2a87e1c1ba2b5bc1788cc0ce8c

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
SignaturewMxJnXlrz7YDUTdB9qVuXQ39FxNhfGtumYlVZuLpxYV/PoLC6lNdSp7qK5FkFVco/rE+Ihp5+iU2U+jiyg3fAg==
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

2026-09-17T11:47:50.811856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024649
observed 68a0297dc9180586e507faa47f4ab6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.794991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024649/manifest.json
observed aca40bce4f842cc03a6c0cf9e81280cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.776959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024649/publication.md
observed d23b06a33fe972cdb26ba9878b6b1ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:50.759695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024649/publication.txt
observed 5922ffea6d5b1947b692fda16e60c673...
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.