OpenTechnical

OT-2026-000029680

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down

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-2026-000029680) never changes.

Identity and time

Publication numberOT-2026-000029680 · never reused
Internal UUID01a0ae73-5e23-7679-8400-47c9d52874b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029680
StatusPUBLIC

Content hashes

Canonical text15130f0af300198ad679fd0533914e071ebe02f428d02ef5c27a9509e32e316d
Markdowncbfd27305cd37ea29eee44e282c0cc37c403e731730065de180f37df43b3c70f
PDF
Publication page32004abb8fdf94bd50df5fd33bc790b0b5c089cfe9adaeff28b3e75e35695caf
Manifestf2ff2c06b7bcb67ab28f38d079b16e0bd2a0dd3ac2ec1ad3488a17f6fe995ecc

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
SignaturechYZPoQig1cKrA6P0DWpqH6CBovpXBVYa73n4RqJ+47NaouLiB5u4igrAZx9bJMTG5k9vg3fn/hILr3lDKf8DQ==
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

2026-09-17T11:39:24.100201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029680
observed 32004abb8fdf94bd50df5fd33bc790b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.082621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029680/manifest.json
observed f2ff2c06b7bcb67ab28f38d079b16e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.067886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029680/publication.md
observed cbfd27305cd37ea29eee44e282c0cc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.052435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029680/publication.txt
observed 15130f0af300198ad679fd0533914e07...
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.