OpenTechnical

OT-2026-000060471

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000060471) never changes.

Identity and time

Publication numberOT-2026-000060471 · never reused
Internal UUID01a0ae8a-b7cb-7a78-80dc-f147c430d41d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060471
StatusPUBLIC

Content hashes

Canonical text2a3151230619d046926015eed6d56898efa88597136a60b98ce441e03da9846a
Markdown3c118c40cfb923f999c5ad78cf33824a2ec3d7998e3b141c050d2071249949fc
PDF
Publication page49b61c9c37e380cecf4932ec832e1a5ef36a65bc899f71e5291cc1b7450ed0df
Manifestecdea3ef953f3a7f289bd97424d07b3f84d389e2904f3de961cfd1671e25d8fd

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
SignatureKBI4gH9gOtfue+elpYnbzibRdcMGA+1nW0YrrnRXq/uJE1zw2dEkmKr5manm0Xk3RDJ1iVoEYidZIjE7Icu5Bg==
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

2026-09-17T10:42:57.638492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060471
observed 49b61c9c37e380cecf4932ec832e1a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.619274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060471/manifest.json
observed ecdea3ef953f3a7f289bd97424d07b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.601394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060471/publication.md
observed 3c118c40cfb923f999c5ad78cf33824a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.582242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060471/publication.txt
observed 2a3151230619d046926015eed6d56898...
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.