OpenTechnical

OT-2026-000056947

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000056947) never changes.

Identity and time

Publication numberOT-2026-000056947 · never reused
Internal UUID01a0ae87-7af9-7048-9f58-63e52c6e222b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056947
StatusPUBLIC

Content hashes

Canonical text302e2da65cba122df990029361be59b803cef1c50e98fee5187951340296b46b
Markdown6e53f8cbc0c3b9d42ff0974374c670e27fff5b721f52511bda6caa2b699390e1
PDF
Publication pageb16eb4c56452f5121c063e3ba9cb5c810a87e21b0336a071481f8605d7c24ac4
Manifestac32722a95671701c71ea48f373b5d54d831d97a7d84dd053de013c47cd3256f

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
SignaturehKcSSI75FfUy9WZ7x7E0QgtV5KXJu3XGtT+n+r6UQrljXmTTBoxIdNDBZ40pwZn6kqFr52dZVsHwSpNRU5c+AA==
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

2026-09-17T10:50:30.021875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056947
observed b16eb4c56452f5121c063e3ba9cb5c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.003555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056947/manifest.json
observed ac32722a95671701c71ea48f373b5d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.985015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056947/publication.md
observed 6e53f8cbc0c3b9d42ff0974374c670e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.966364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056947/publication.txt
observed 302e2da65cba122df990029361be59b8...
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.