OpenTechnical

OT-2026-000059147

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000059147) never changes.

Identity and time

Publication numberOT-2026-000059147 · never reused
Internal UUID01a0ae89-8612-772c-a03d-4c5d8df4386b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059147
StatusPUBLIC

Content hashes

Canonical textf14c75bfc40d022f448c169c0fcf5e3d30622318e89f4ac0919eaa125fb5d944
Markdownf81335028540b4647373b32a4e5ab84ac8e034ee4252870fa45eccf43a32bec2
PDF
Publication page4ed00cf47c99761c76016b02d944474b690092eef0ece0f27d8ca2640d755dfc
Manifest20d614f5fbddf247b08c88fc3d8ff8c0bd1d8eb4990508af6152ea3368ae18f9

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
Signature2/0GVJpeWQwH9MZUCGk/8vuvPVMIa7XzRg2IvxWrmyMh4Ej2GPEB2+Iin+55C3OVOydWrvG7SwE+W/M6GI0/Ag==
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

2026-09-17T10:45:05.726132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059147
observed 4ed00cf47c99761c76016b02d944474b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.708763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059147/manifest.json
observed 20d614f5fbddf247b08c88fc3d8ff8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.690938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059147/publication.md
observed f81335028540b4647373b32a4e5ab84a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.673818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059147/publication.txt
observed f14c75bfc40d022f448c169c0fcf5e3d...
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.