OpenTechnical

OT-2026-000014871

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014871) never changes.

Identity and time

Publication numberOT-2026-000014871 · never reused
Internal UUID01a0ae6d-d095-75e7-a637-0afc7bd6bc09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014871
StatusPUBLIC

Content hashes

Canonical text4459398685083f006585560b52e69552830c381dbf90b281d0f6814191f333dc
Markdown383f93e18dbca824f57342026bcace1cc8f9c163122b2834cd9c08e99f0a22dd
PDF
Publication pagec15417c8d62b16fa77edab8ddb49eca3a83823c61a41f5474a17c30915a1e429
Manifest26547b7ca028e8c5259807d61827e1bc71f68ecd9906099b09fd441495ea0e35

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
SignatureD3KIZ+sb+LGIbYB0U7l6GazC0H6dKzIBz00Udtj3KQfY2+A6psQGxd1vlU5Kqe1zrkEsrtD4CNkfECwXHYRWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:47.592429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014871
observed c15417c8d62b16fa77edab8ddb49eca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.572506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014871/manifest.json
observed 26547b7ca028e8c5259807d61827e1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.551700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014871/publication.md
observed 383f93e18dbca824f57342026bcace1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.532793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014871/publication.txt
observed 4459398685083f006585560b52e69552...
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.