OpenTechnical

OT-2026-000049141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000049141) never changes.

Identity and time

Publication numberOT-2026-000049141 · never reused
Internal UUID01a0ae81-134e-720d-a420-cd223f18d666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049141
StatusPUBLIC

Content hashes

Canonical text56f6d61d32430fc3d169f375a60bb7d2d5ffd6a9b149f78add033df62b6eec7e
Markdownd9174eb3395db7d0157d36fa8e1d3d42ceb2d00bc54a2c565ef3bd43c3e2bb7f
PDF
Publication page530fbf298e752ae0f7012044f49b389656f94ac095a686036605d366c224596f
Manifest7c85c026a81875e09c9cef7296ce0e7d974e5214c988cbbf851b61700a397bcd

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
Signaturec3/6dWUArk1lsNmclaQg39VEtajbwGZ0SWScvEfATxLCqPsKfWhKmaArc6ILB7ujbwEZhRrVcNpC/WWGKEEWDw==
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

2026-09-17T11:03:24.736381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049141
observed 530fbf298e752ae0f7012044f49b3896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.719978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049141/manifest.json
observed 7c85c026a81875e09c9cef7296ce0e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.702421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049141/publication.md
observed d9174eb3395db7d0157d36fa8e1d3d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.681611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049141/publication.txt
observed 56f6d61d32430fc3d169f375a60bb7d2...
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.