OpenTechnical

OT-2026-000054999

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054999) never changes.

Identity and time

Publication numberOT-2026-000054999 · never reused
Internal UUID01a0ae86-5e80-701c-809c-0d934bf40588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054999
StatusPUBLIC

Content hashes

Canonical text979370716d211cfe9c888dbe8ba6d0ce903cd340e956632637ea4f98c014cadf
Markdowna59b0cd178b28f7834b0347858c0a3c3575dc5852345c99416e0edfd5747034b
PDF
Publication page1c2073e73a830715a784cd1878c6f75f7969f8b5dd43ff83d59103e96d080540
Manifestcdbe3d1d3f96920f0b158bf3d065fc0bdb3296579a01022cd731303b9207abd7

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
Signaturea3D/FSmgqbwMdnp95FNK1bdL8I8G0GfWuWbRoQh/O7umPbcTkwbkhMdRzs7qyw8GUn5cbP1MXgX3y4Ha2HC4CA==
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

2026-09-17T10:53:07.807663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054999
observed 1c2073e73a830715a784cd1878c6f75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.791237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054999/manifest.json
observed cdbe3d1d3f96920f0b158bf3d065fc0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.771682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054999/publication.md
observed a59b0cd178b28f7834b0347858c0a3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.751725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054999/publication.txt
observed 979370716d211cfe9c888dbe8ba6d0ce...
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.