OpenTechnical

OT-2026-000054370

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three 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-2026-000054370) never changes.

Identity and time

Publication numberOT-2026-000054370 · never reused
Internal UUID01a0ae85-b3aa-7a11-b861-e6f338639916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054370
StatusPUBLIC

Content hashes

Canonical texta5a2661bb38c12ce14f74c38fa450c345dafb32ef0fed6eb7d350a6bde9934dc
Markdown989c5b7535b893a8a0ea62a307f66480ae322e2b12b1fff151c71d917db2ed6b
PDF
Publication page708b1e2a4897aef62c108d46c8a27617e541cdcb96a9a4e994c97b77dff16613
Manifest6c17c35e2da13bccd7091be0396cd1b5a318710cd3efd284524130247572dd2f

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
Signatureejl7YedlvqqdwaN8vuhchK41IvVOt7l+EdoyJ7cva/MdW8ZyWFdZ6dneM7B3jLBOURZhiZz3cRO9GSnm1riqCA==
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

2026-09-17T10:54:53.905200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054370
observed 708b1e2a4897aef62c108d46c8a27617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.884525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054370/manifest.json
observed 6c17c35e2da13bccd7091be0396cd1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.864602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054370/publication.md
observed 989c5b7535b893a8a0ea62a307f66480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:53.844637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054370/publication.txt
observed a5a2661bb38c12ce14f74c38fa450c34...
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.