OpenTechnical

OT-2026-000053523

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053523) never changes.

Identity and time

Publication numberOT-2026-000053523 · never reused
Internal UUID01a0ae85-0a92-7cb3-b568-500d36a0fa82 · 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-2026-000053523
StatusPUBLIC

Content hashes

Canonical text083a0de88755d65f15b7f3d94e911f728add9e8a74bde88e9e146fe55eb3d63c
Markdownf1bf7cca293b6acbeb8f1bda9f3040a1adf5eb22b8f68391cd4e099359c418df
PDF
Publication page4f04a9cf6c25ed7319c2ef8fd911a06e9a2e9818269efe00dad84b2748041019
Manifest2e91f47ca2a8a582eadae41726424fafe2d9efe71089b0d0b00ce190173f232d

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
SignatureS99qApfkt+WbkWBQLAKBZdFMo4p4ODURlbfhTGH7zhPlFcKOaFsbyrA8bov597YX194n0aK9Ws2HtZjCVQuUAw==
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

2026-09-17T10:55:22.314870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053523
observed 4f04a9cf6c25ed7319c2ef8fd911a06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:22.297796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053523/manifest.json
observed 2e91f47ca2a8a582eadae41726424faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:22.279277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053523/publication.md
observed f1bf7cca293b6acbeb8f1bda9f3040a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:22.261797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053523/publication.txt
observed 083a0de88755d65f15b7f3d94e911f72...
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.