OpenTechnical

OT-2026-000073146

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000073146) never changes.

Identity and time

Publication numberOT-2026-000073146 · never reused
Internal UUID01a0ae92-efb6-71ec-ab05-1e3b385714bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073146
StatusPUBLIC

Content hashes

Canonical text841b7cd44e2bbe4bf0e9827dddbb3b5e0714bd56c89f80db0858875ac00dcbb0
Markdownffa325abf8cb210e2a53169fed2c3fb086084ab15a33bde93115b83633ab6e73
PDF
Publication pageff4552587b607d3127235c1340ed7218c1f7073a322ed749fc1fd5e0869bf4a5
Manifestbfbeb4f66d25a45d5ae4343a2879337a8400717fbb9afc97a59facab27e5d969

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
SignatureOTyvb4kSDsjc5QTEk5M47L/VfzW+1Bg+lF+9evE83BVkGA5HK7dUVU6dhWbPGxXyH0LgOO8ck9vXV/xwL3vaAQ==
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

2026-09-17T10:21:05.135440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073146
observed ff4552587b607d3127235c1340ed7218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.114536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073146/manifest.json
observed bfbeb4f66d25a45d5ae4343a2879337a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.093743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073146/publication.md
observed ffa325abf8cb210e2a53169fed2c3fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.073379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073146/publication.txt
observed 841b7cd44e2bbe4bf0e9827dddbb3b5e...
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.