OpenTechnical

OT-2026-000054135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000054135) never changes.

Identity and time

Publication numberOT-2026-000054135 · never reused
Internal UUID01a0ae85-b3a8-7719-a3ca-ccef57136428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054135
StatusPUBLIC

Content hashes

Canonical text3a1af67002759f15a48bf5b461a1a5353de8362b1a47f76ea623a0e7a7ac438c
Markdownd3a309d19f9e40dad93710f28c3e1c34e14b2b5d891de0ee1f93f4fc84179eae
PDF
Publication page4774f88d7dde2c5bf8675cb82e0a027f0118a720db78d0310094f559499b9dfa
Manifest3ee20e3392a262a01d038b388006fac5d80393749ba77ae816a61089bf7f7b31

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
Signature/DhvDmQbT0yI0ZbhR7FqAR9dCegxq6bawuodUVKa3f3JXt8wYtd1fcWe6sE5MN8PIhpfDc0xGAAS7o26BvHMAQ==
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

2026-09-17T10:54:33.919364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054135
observed 4774f88d7dde2c5bf8675cb82e0a027f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.901708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054135/manifest.json
observed 3ee20e3392a262a01d038b388006fac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.881714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054135/publication.md
observed d3a309d19f9e40dad93710f28c3e1c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.862566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054135/publication.txt
observed 3a1af67002759f15a48bf5b461a1a535...
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.