OpenTechnical

OT-2026-000016998

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000016998) never changes.

Identity and time

Publication numberOT-2026-000016998 · never reused
Internal UUID01a0ae6e-591a-7a03-901d-79708c125312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016998
StatusPUBLIC

Content hashes

Canonical text018a7a9f6c4fbd9e6060df353ec4f9796ad2af32d7b08da4f0e88b5a3a59f1aa
Markdown09a927bb1759683494b4f633fa8c7189eabd45b07de4d8f5523197033aa59b8f
PDF
Publication pagea982cb7ca665e746fb1ae979644548e6e8d26e7db655e8e3ec210f9ea453019f
Manifest9a41a9b251504cec4c0a4d7b43a0b35391bb4cc512defe16795070e4fb06316e

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
SignatureFho3vm9b7kTwaV1iIjoBOG1A6MQn4J1jVCAqNTppvWXG4icoX300cZIrZnwN2iDhYGfidZye8NyKnEcPRkf8CQ==
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

2026-09-17T12:03:24.226895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016998
observed a982cb7ca665e746fb1ae979644548e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.209224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016998/manifest.json
observed 9a41a9b251504cec4c0a4d7b43a0b353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.191599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016998/publication.md
observed 09a927bb1759683494b4f633fa8c7189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.173672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016998/publication.txt
observed 018a7a9f6c4fbd9e6060df353ec4f979...
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.