OpenTechnical

OT-2026-000050666

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000050666) never changes.

Identity and time

Publication numberOT-2026-000050666 · never reused
Internal UUID01a0ae82-c7b0-78d3-9ad1-df1eb196d9cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050666
StatusPUBLIC

Content hashes

Canonical textbefc68dfd6300641683a7d7bb182be84615e82dbc089777e2d3a5b371e8aeb1f
Markdown4ebca4f46106f742e071cf54d0ae567129da052fb4a122696eaf3c54fc06e61b
PDF
Publication page32ef939686df03f427dd1f38807e26e9aa8751f20614f776328fbf211c7d5dfb
Manifestd2a7ba6b901166ca46f6fc31b63e86c7290b113f81d176d571799b18a8a8855c

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
SignatureScTS935YYQ37l3SHn8+6SoMBHJVRJ72uQFuDJmf79SOVzr6RGeewq0L5r2DzW37ha7STrWRxT8p9DLAgVRLzAQ==
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

2026-09-17T10:59:22.252564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050666
observed 32ef939686df03f427dd1f38807e26e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.233093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050666/manifest.json
observed d2a7ba6b901166ca46f6fc31b63e86c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.216202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050666/publication.md
observed 4ebca4f46106f742e071cf54d0ae5671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.199877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050666/publication.txt
observed befc68dfd6300641683a7d7bb182be84...
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.