OpenTechnical

OT-2026-000061949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061949) never changes.

Identity and time

Publication numberOT-2026-000061949 · never reused
Internal UUID01a0ae8b-b8ad-7c2a-bbc2-d43ae4cc15d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061949
StatusPUBLIC

Content hashes

Canonical text693d30bd1e2aae09a74aa0474aba5dd5af85e2a85a19b4a80b30e5fae6b99178
Markdown7fac333fb2d62aa864dded50789143d4f9c5ebe4fb5b5ef3e10df9c90395ff12
PDF
Publication page58193f81ac53d400b633db1a2ae36faa6eb27f0c56928129adb5fa698de828d6
Manifest656a8b375d5f99c1f22b92342965d93c11a29897c9516cc1e812b45d3c382d5b

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
Signature91iHw9rlmWY/HAfkZfcWqfsbRnOfL+QFkzTqZHS6e8NhDpdev2TzadOrMApGK7x3670AXnpjUT9w+fQzvWFyDA==
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

2026-09-17T10:40:51.005541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061949
observed 58193f81ac53d400b633db1a2ae36faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.980198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061949/manifest.json
observed 656a8b375d5f99c1f22b92342965d93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.953783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061949/publication.md
observed 7fac333fb2d62aa864dded50789143d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.926683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061949/publication.txt
observed 693d30bd1e2aae09a74aa0474aba5dd5...
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.