OpenTechnical

OT-2026-000054809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000054809) never changes.

Identity and time

Publication numberOT-2026-000054809 · never reused
Internal UUID01a0ae86-1285-76ea-a962-8b697cc782e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054809
StatusPUBLIC

Content hashes

Canonical text4aaded61acc630e4f6949f68f2b31fc18f0353638d3a35eee7264b69e210e039
Markdownedbf7379f70ee1a792ae1097607ae1372818ed1f5417d8e2fd60d9c255a15dd0
PDF
Publication pagedc6b54fae9eeabb071d92f96fcaa46e7c141ae3782741561c66c60cb30dd7db3
Manifestef6b873480397bdf656bb3ea67003531f5b6c979dbcee8a06f0c21653391c5ca

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
SignatureRflSJ0F/kvq78kKAkQ2qgBDUomcW8F4+9MKDT3hU4+CJ0PZtVizm0XF175B5Fv+81K1fudHj8PFKwTcFr3gdDQ==
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

2026-09-17T10:54:00.800335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054809
observed dc6b54fae9eeabb071d92f96fcaa46e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.782078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054809/manifest.json
observed ef6b873480397bdf656bb3ea67003531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.765188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054809/publication.md
observed edbf7379f70ee1a792ae1097607ae137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.747731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054809/publication.txt
observed 4aaded61acc630e4f6949f68f2b31fc1...
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.