OpenTechnical

OT-2026-000058176

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after 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-2026-000058176) never changes.

Identity and time

Publication numberOT-2026-000058176 · never reused
Internal UUID01a0ae88-6edb-7ea6-a857-04006d350fcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058176
StatusPUBLIC

Content hashes

Canonical text0cdb03a1f969ed5af1c6df8f26d6f85d7ad38dfc6c6d9270bed641c8c9bb3891
Markdownf217fa00e8c77c7fec85c9ab323ebe1d2d4af21f3e34fdc3cffe7f89553bc3b8
PDF
Publication pagecba34a0e47323489d037beb44c4dda8d6d9446f7cd736e29338fe3cfcae9da7a
Manifeste6373c91f48a584ad4a676e27809897cb68494826103d8cd6457279a99eeb904

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
SignatureoQebbhm0MR1T0g48NsQih1kQGTtC+ONpO41oTb30A32t4WLwRBL9+a4/xXpNNWwGwsUyITHYaiYqpmdNPyZrDg==
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...

Independent retrieval

2026-09-17T10:47:52.899695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058176
observed cba34a0e47323489d037beb44c4dda8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.882179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058176/manifest.json
observed e6373c91f48a584ad4a676e27809897c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.864883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058176/publication.md
observed f217fa00e8c77c7fec85c9ab323ebe1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.848430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058176/publication.txt
observed 0cdb03a1f969ed5af1c6df8f26d6f85d...
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.