OpenTechnical

OT-2026-000057300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000057300) never changes.

Identity and time

Publication numberOT-2026-000057300 · never reused
Internal UUID01a0ae87-d5bc-7916-b890-22261b9c8110 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057300
StatusPUBLIC

Content hashes

Canonical text50b312a02c20ea09c1be4ba6c42516341fa61f17010c4da77289398c7a31c7f4
Markdown860677a32ad3e914ed021c67a1c2017655c7266b8ccc7c885d2b338bf9c760c8
PDF
Publication page2405e9d1baca6b6c5ec1ccb832ef44f29c017df885156d7972142aee816dda73
Manifestb4e1fda4ea856684d2eccb359ba99d776d5224ae5add0bdca6550717808b11c7

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
SignatureF8zRMJ8sCjsGdB6YZ9LwvmqTANHVxReKxnwSEPz4BCP/60yFQgo0xMJTsOZtC0VIqQ24HdKNaue526QeVup1Cw==
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

2026-09-17T10:50:24.328515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300
observed 2405e9d1baca6b6c5ec1ccb832ef44f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.309397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/manifest.json
observed b4e1fda4ea856684d2eccb359ba99d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.291294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/publication.md
observed 860677a32ad3e914ed021c67a1c20176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.274941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/publication.txt
observed 50b312a02c20ea09c1be4ba6c4251634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.578009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300
observed 2405e9d1baca6b6c5ec1ccb832ef44f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.559176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/manifest.json
observed b4e1fda4ea856684d2eccb359ba99d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.540027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/publication.md
observed 860677a32ad3e914ed021c67a1c20176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.521147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057300/publication.txt
observed 50b312a02c20ea09c1be4ba6c4251634...
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.