OpenTechnical

OT-2026-000010231

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, sustained blow-off after 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-2026-000010231) never changes.

Identity and time

Publication numberOT-2026-000010231 · never reused
Internal UUID01a0ae6b-cb7b-7d04-93da-f0b8ff68c277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010231
StatusPUBLIC

Content hashes

Canonical text0f07f9575df31be4186522f339574c80e7eaa00bacad576adb4d32c7f8af2c45
Markdown2bd48f19068af7ae2d4f85cb77947337daae301bbf03b2f523eb8e6d4a9653a9
PDF
Publication paged0da7515897472ff6e4c0ac9662aaf70f7a3d45b4e9c020003aa7ce137abb741
Manifestf72ec313a209883fd10127af9eac2fadb32f1295ef8829e3a7fafdb750ce76f7

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
SignatureYiKLowAl4w8AeODdip+BbHHNmtaCSrVzwSeaTW10Kk5DZ9qMZIyFryhN4V9vYUmFv3UZ+rHXWy06M7mXDrGeDA==
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

2026-09-17T12:16:21.698249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010231
observed d0da7515897472ff6e4c0ac9662aaf70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.677953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010231/manifest.json
observed f72ec313a209883fd10127af9eac2fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.658212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010231/publication.md
observed 2bd48f19068af7ae2d4f85cb77947337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.638064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010231/publication.txt
observed 0f07f9575df31be4186522f339574c80...
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.