OpenTechnical

OT-2026-000052961

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052961) never changes.

Identity and time

Publication numberOT-2026-000052961 · never reused
Internal UUID01a0ae84-a430-7f68-80cc-e3ad4c5ee814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052961
StatusPUBLIC

Content hashes

Canonical text2240b067495c35ae1924ae9323ed512c51001ee3fe64046cd372c909356cfbc5
Markdown92c3997212cfd83f205c9d84bcc9fe48615050985613663cf3e123cdb7445197
PDF
Publication page97c1aa4f1d206e309ea81d41872eac85f26563eb0c580d4ba659881ebb2a75b1
Manifest1ebf3161d5c96afe3889834dbbd87cedd0113fcbd47d23734f1d227e03ace54b

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
Signature14yglolpK/vv0km0zQQT3qes6ffAUNgvF2rZZyXhmhel3I88vid/GFaayrigRMRd6585hIhCjM1PfKEPTbzvCA==
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

2026-09-17T10:56:38.718875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052961
observed 97c1aa4f1d206e309ea81d41872eac85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.702408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052961/manifest.json
observed 1ebf3161d5c96afe3889834dbbd87ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.684314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052961/publication.md
observed 92c3997212cfd83f205c9d84bcc9fe48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.664847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052961/publication.txt
observed 2240b067495c35ae1924ae9323ed512c...
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.