OpenTechnical

OT-2026-000047552

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000047552) never changes.

Identity and time

Publication numberOT-2026-000047552 · never reused
Internal UUID01a0ae7f-3e59-7304-a566-a95f4a252ad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047552
StatusPUBLIC

Content hashes

Canonical textbc0fcf8277b491e3be009a3e5e7c8f2fdf0b5ad810f20bbe469c093b83de276a
Markdownaaee5561295d42d6a75d4d27acd5711d355691421c0c799bd94f1f5c0b55ab79
PDF
Publication page9dc5a74117ca365fe40a41733dadbd1704a15685eab134c1c19b96ab4e6b68f8
Manifest8be3e4342281765c74aee86f55d07fd2cbdfa3e79b98485e71246cfd3956bab9

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
SignaturebTvJIIA9aHMn5ulv+klk8tU7sRUtS94nrWmRacgrw0k0mu5tGKboIiEhQ0mI35nyzh1I170f2SCEjeOiKbWSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:40.349452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047552
observed 9dc5a74117ca365fe40a41733dadbd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.331200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047552/manifest.json
observed 8be3e4342281765c74aee86f55d07fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.310712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047552/publication.md
observed aaee5561295d42d6a75d4d27acd5711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.293200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047552/publication.txt
observed bc0fcf8277b491e3be009a3e5e7c8f2f...
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.