OpenTechnical

OT-2026-000055423

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000055423) never changes.

Identity and time

Publication numberOT-2026-000055423 · never reused
Internal UUID01a0ae86-a101-762c-a3a2-381e9beb5a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055423
StatusPUBLIC

Content hashes

Canonical textacf1d14891448db64524eff87ffe1f004b88805e3755af1842acf26229517865
Markdowncc3a09c31cc568866d369dfc69ea36f1027d10c0ef7b2f46ffca5cf758f6af82
PDF
Publication page92ab63fd12a15be01fd86acf7c46792929416ccc2d7e2a582ca6d03e457c2787
Manifestf0b83ddc97383f52ded3e3981d3445257da6dae3e86159560cca635876783544

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
Signature0CcH5ZnAl1PjLjAJUtvlsJzIKqDT82S9ngNAErxnxH4d59Dimm+pVE3dnnnnz88D1F+gGNkxT2GaJfqFzzkQAQ==
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

2026-09-17T10:52:04.192033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055423
observed 92ab63fd12a15be01fd86acf7c467929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.173281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055423/manifest.json
observed f0b83ddc97383f52ded3e3981d344525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.154262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055423/publication.md
observed cc3a09c31cc568866d369dfc69ea36f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.134033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055423/publication.txt
observed acf1d14891448db64524eff87ffe1f00...
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.