OpenTechnical

OT-2026-000054008

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000054008) never changes.

Identity and time

Publication numberOT-2026-000054008 · never reused
Internal UUID01a0ae85-b3a7-7aa7-8f5f-35a69849e474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054008
StatusPUBLIC

Content hashes

Canonical textf01725a51f307664b06f81a1155e30f5ac5cab9092cac7e78fadda0eba104833
Markdowna85263fd9dae15826a07e5c5ebb88f2278615d5d7dee0d9d539859a7f2b0e732
PDF
Publication pagefc6f8d96c7c03b68f701edd70335d3dff77c584bb8686f42864c5d715ebb1800
Manifest45c4f7032c6986b30d093f0da5adb2894a48ff5b8a12fc3be75dc913a250b133

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
Signaturex6x+JqNFJJcwe6dDlotctyW4/t4b/3IFDRCxjNWiAjSa9Tdo0vh64rwcS0HsjoXsHJlW62F9DCfRFaDVeSnUDg==
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

2026-09-17T10:54:20.632422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054008
observed fc6f8d96c7c03b68f701edd70335d3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.595623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054008/manifest.json
observed 45c4f7032c6986b30d093f0da5adb289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.553704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054008/publication.md
observed a85263fd9dae15826a07e5c5ebb88f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.516040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054008/publication.txt
observed f01725a51f307664b06f81a1155e30f5...
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.