OpenTechnical

OT-2026-000081104

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000081104) never changes.

Identity and time

Publication numberOT-2026-000081104 · never reused
Internal UUID01a0ae96-b977-756c-afe0-c1e0ee2fdfde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081104
StatusPUBLIC

Content hashes

Canonical textcba5573e93cd0a042aafe0732b2d6352bd1f40b64df3e42edfdda7c207022e12
Markdown7c55ecde70b326b5adffc4ccf238d3a2d1ec576809fd55b62bdb24977dfdbe3e
PDF
Publication page1921ead24dba425f26a5b569eecfad3c5b05c560733ef8f5e0b5ac9050b6a349
Manifesteff94d17b879a97fcc5e0e606510d63f9ddf439234d9ddcc4b0769dd6bb210c0

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
SignatureLs+JJw94D9ROoNrYowGdIxHticnnscgjocQaNp4jVZ8k0zvsbKQ6Oi+M6uEuYNsEZAIusau6bGkw/FS9eNanDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:24.667509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081104
observed 1921ead24dba425f26a5b569eecfad3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.651030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081104/manifest.json
observed eff94d17b879a97fcc5e0e606510d63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.625828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081104/publication.md
observed 7c55ecde70b326b5adffc4ccf238d3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.601236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081104/publication.txt
observed cba5573e93cd0a042aafe0732b2d6352...
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.