OpenTechnical

OT-2026-000076850

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000076850) never changes.

Identity and time

Publication numberOT-2026-000076850 · never reused
Internal UUID01a0ae94-b070-7cd4-9154-e30e41f648c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076850
StatusPUBLIC

Content hashes

Canonical textd9343b869c45543880f9ed4e88fae81a56096d0055c96cb8f1886993c36756ec
Markdown20747048c1f0e7a631e4e04c982cd36590db800ee9d79f7ffcaed66bee19a3f5
PDF
Publication paged3a438166e52bc6f998cdcaf729360293dc4ee844656554dd89b2195781c8aff
Manifest54b1ef3fd8f51915beb94494d164d773f06e0857439803edc540b3d4696716d2

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
SignatureJaVP0NceCzHZ6ToB3vjG2iZnbDoLnSTXeR7bjP69lAJ3EZpc7ApPuqSd1HsLBr7Bc637CYWshlORd1FtdQFTDg==
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

2026-09-17T10:09:44.313943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076850
observed d3a438166e52bc6f998cdcaf72936029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.294538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076850/manifest.json
observed 54b1ef3fd8f51915beb94494d164d773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.274370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076850/publication.md
observed 20747048c1f0e7a631e4e04c982cd365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.255617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076850/publication.txt
observed d9343b869c45543880f9ed4e88fae81a...
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.