OpenTechnical

OT-2026-000084261

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained 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-2026-000084261) never changes.

Identity and time

Publication numberOT-2026-000084261 · never reused
Internal UUID01a0ae98-5b60-725f-9dbb-df565a97a772 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084261
StatusPUBLIC

Content hashes

Canonical textb7ef5e021420bb1be5d7afdd4796f70ae849ef621b6a2c654087b571c1e3541a
Markdown92eb3702a79793ed2591f822b93ea75fa3f80bdae322f6bbc1705c283b9f0e0a
PDF
Publication pagedb0f773910baab2aaca0c0d5eaf715a570f4341b7b4ab68e81a56415186245c9
Manifest01fa4b1a39527c3f15a21a154173c97453123e83738247b2dae0db5f18b7c380

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
SignatureJZhpugf3wi7GpXeblksOHOwEFmus1Lj7ocsjQIrdSm382z6ry84mTVhrAoWcoF9FLeqasI26Ha9ttYaFDEtVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:10.475384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084261
observed db0f773910baab2aaca0c0d5eaf715a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.455816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084261/manifest.json
observed 01fa4b1a39527c3f15a21a154173c974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.437682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084261/publication.md
observed 92eb3702a79793ed2591f822b93ea75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.420448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084261/publication.txt
observed b7ef5e021420bb1be5d7afdd4796f70a...
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.