OpenTechnical

OT-2026-000048137

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000048137) never changes.

Identity and time

Publication numberOT-2026-000048137 · never reused
Internal UUID01a0ae80-4de1-7653-a369-119f8bf844b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048137
StatusPUBLIC

Content hashes

Canonical text2135f5eae3db1c916b79ced02ae64df98aa2547d363b834464716dae911ebe96
Markdown4272a6d498bfc63c309be66868b3cb68606a67a16069ff32a000b7c81e4fe344
PDF
Publication pageab7166dddbe08519eff62f726892e47c5f99f406581ef41b692c157358ea8b68
Manifest57d5934369b5d4a767fe5d5794ac35f173b753a8c51a015bf8741351cac477a2

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
Signaturex9h8bU0gi1tsXvp7EkuLpW4EKv/YVLgwKc+mlDJD08GiOAyo5iqtEtIulaMYbI5jOBNLPHSKAV3gHKZ9QtbMCQ==
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

2026-09-17T11:04:39.479983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048137
observed ab7166dddbe08519eff62f726892e47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.460848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048137/manifest.json
observed 57d5934369b5d4a767fe5d5794ac35f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.439846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048137/publication.md
observed 4272a6d498bfc63c309be66868b3cb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.419051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048137/publication.txt
observed 2135f5eae3db1c916b79ced02ae64df9...
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.