OpenTechnical

OT-2026-000056986

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000056986) never changes.

Identity and time

Publication numberOT-2026-000056986 · never reused
Internal UUID01a0ae87-d5b5-7a8e-8a41-6fa3f32e5b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056986
StatusPUBLIC

Content hashes

Canonical text427a2f8b87d160ee7c21387f21180f82fe7a51dbdef09e1eca0e4a54533db46a
Markdown57727d8142d0f30640c5ae810b1e9a63fb5bb07ec0e0cd031e687d545a59ae60
PDF
Publication page289e9510c0a9f1d5b17c6f21f1a984b9e3a158422cdf558630855edbcbd956b2
Manifest0043935716444b87524b0893dbea5ad3685c085a04329f9c9c65a51c949f93c3

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
SignatureJEFdTnU5gKx/Ng4Z6PvA9G5hcgy7KVXLdAKGGGhifNAgMPCQfMZUjVOJBb15YLuo8hOowF3SIuGwWfRvC9P7BA==
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

2026-09-17T10:48:27.331885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056986
observed 289e9510c0a9f1d5b17c6f21f1a984b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.311858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056986/manifest.json
observed 0043935716444b87524b0893dbea5ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.292896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056986/publication.md
observed 57727d8142d0f30640c5ae810b1e9a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.274789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056986/publication.txt
observed 427a2f8b87d160ee7c21387f21180f82...
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.