OpenTechnical

OT-2026-000056361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000056361) never changes.

Identity and time

Publication numberOT-2026-000056361 · never reused
Internal UUID01a0ae87-4bd2-748a-85c5-8251448b40e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056361
StatusPUBLIC

Content hashes

Canonical textdb1a7c30c365aedfe63f79f0656052cdadd295a46f8c4e91f36d5e48a1cb0ae5
Markdown05d4cb59d6c5c2d4a70800e7dae38cf8b6833e81d50a7f311f6844640581e3bd
PDF
Publication pageb27e58c06fe964c48688334fa59cd5a2dd6c6be17703d3667ebc42de3da4c394
Manifest54d0be0e9667ac7ec4390715b94b824bf00699f98ac3d60bb30dcda499e772fd

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
SignatureCz4JHwqlPq3MTIWxuAFuykGtvVM8llPMnOMZ3zu/yrIONOVsvNLKKsjIrdTgdMQf9YzYr2EEYZ9HXA1XxIBsBA==
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

2026-09-17T10:50:52.532305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056361
observed b27e58c06fe964c48688334fa59cd5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.515212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056361/manifest.json
observed 54d0be0e9667ac7ec4390715b94b824b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.497359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056361/publication.md
observed 05d4cb59d6c5c2d4a70800e7dae38cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.479811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056361/publication.txt
observed db1a7c30c365aedfe63f79f0656052cd...
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.