OpenTechnical

OT-2026-000061075

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000061075) never changes.

Identity and time

Publication numberOT-2026-000061075 · never reused
Internal UUID01a0ae8b-137d-7134-a8e8-92c4a239b9e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061075
StatusPUBLIC

Content hashes

Canonical text314975e90d5496889b3aa255e86f1dd2fad21f711a523c93b2f5e151d2e06dfa
Markdown257d8adf6e9cf36e194e6a73ff92d6a5326851bbf4950d79974158dd5d7daa34
PDF
Publication page643f2e630647670128a41ebde780a9d71d19deb864a7ae428f142aa484bf056c
Manifestca1a9fac5a37c8c1235e90e652a81336731c17eeedaeb5e9f2a2b965670ef64b

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
SignatureXkfiocjT1Qdqkue8c4jBSAzV94/G17rwEdmmWMkEFTMXXug1ObX3fJ/pAcjhhoboX6H0w/RtpM5JSXjX96XlBA==
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

2026-09-17T10:42:26.221143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061075
observed 643f2e630647670128a41ebde780a9d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.202785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061075/manifest.json
observed ca1a9fac5a37c8c1235e90e652a81336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.162706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061075/publication.md
observed 257d8adf6e9cf36e194e6a73ff92d6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.120524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061075/publication.txt
observed 314975e90d5496889b3aa255e86f1dd2...
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.