OpenTechnical

OT-2026-000061169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000061169) never changes.

Identity and time

Publication numberOT-2026-000061169 · never reused
Internal UUID01a0ae8b-1380-7364-a656-418003cc1653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061169
StatusPUBLIC

Content hashes

Canonical textf3e5d4edd7494637cbfae2a26bfcfd82cb700af522912593220df0d28ee7aeae
Markdownea4b37f5bbe8f62ecc78090b23ae2a9d70867086050040b17fa124347c89ba4e
PDF
Publication page365a22d2aca37030a63e6a2d9ebf90c847bdafe1960089af82cb1dd4e9fc2591
Manifest3d3c075a82cf5b6984afb247afe0e695b78fb18379514c33cd200d7c55e22730

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
SignaturezcaXf3cAOGEsxXuCKbIuc44qiImybz8oSIfhgv9HufiDVkV2Xwp6lukeonezZvIMRKevJE8p4Tl/mG6F/vY4DQ==
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

2026-09-17T10:42:33.490248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061169
observed 365a22d2aca37030a63e6a2d9ebf90c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.470889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061169/manifest.json
observed 3d3c075a82cf5b6984afb247afe0e695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.451793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061169/publication.md
observed ea4b37f5bbe8f62ecc78090b23ae2a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.432357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061169/publication.txt
observed f3e5d4edd7494637cbfae2a26bfcfd82...
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.