OpenTechnical

OT-2026-000057945

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000057945) never changes.

Identity and time

Publication numberOT-2026-000057945 · never reused
Internal UUID01a0ae88-6ed9-791d-90ec-761687f69946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057945
StatusPUBLIC

Content hashes

Canonical text4f54f997cc3d8ca256d06c52ee9130f50e8548f0841d7ff8dfa4e1a87917f584
Markdown7eadf6d26344eaa2dd41b7bf220573fd8fca3430b81fb42a11acf388d55ee1a4
PDF
Publication page852484239a59dc66d7659c648a55ae5746c9bdfa1953845b5771d18f81ba4b58
Manifestf442cecd391eaab4f02ffad9e4614f725ed848859d6644f2f25f0c83b3e363ce

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
SignatureDMbs5fToRYtGt0uNCvToXLLi8Vu56IRRBR6wmRZnJRpiqjJwAc37ldJYqiSU9Ohy5UKP2Kekx0MMUVggog2+Dw==
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...

Independent retrieval

2026-09-17T10:47:33.693225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057945
observed 852484239a59dc66d7659c648a55ae57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.675325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057945/manifest.json
observed f442cecd391eaab4f02ffad9e4614f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.657344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057945/publication.md
observed 7eadf6d26344eaa2dd41b7bf220573fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.634805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057945/publication.txt
observed 4f54f997cc3d8ca256d06c52ee9130f5...
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.