OpenTechnical

OT-2026-000053376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000053376) never changes.

Identity and time

Publication numberOT-2026-000053376 · never reused
Internal UUID01a0ae85-0a8f-799f-a76e-a88be3bcb6c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053376
StatusPUBLIC

Content hashes

Canonical text272638672504a39857d7d99852497cae43024756f3466fdff389f9726cf06e5c
Markdownc90b5ae685d510f8704a903f72cea83806dc32d04be7ad9eaa7439a125663cb9
PDF
Publication page17e5c7edfec74dbd3ceb0110f70a476d2816d072d455ff2da49e0f32bf44e6e9
Manifestadbd715db0d48a30ab4eeb5e838a97b1924edd311a0951c65853657f22beed32

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
Signatureuzfh84jKsr7MWWBc0L6ocMJM3ZxTqoJmSnmA0kXzx15k7h+DyB6lylRTsaiAVGXCg95KYBfE54WFWyKkFbK2CQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:05.745691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053376
observed 17e5c7edfec74dbd3ceb0110f70a476d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.724432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053376/manifest.json
observed adbd715db0d48a30ab4eeb5e838a97b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.705372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053376/publication.md
observed c90b5ae685d510f8704a903f72cea838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:05.688149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053376/publication.txt
observed 272638672504a39857d7d99852497cae...
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.