Pith Number

pith:5KVTRC2N

pith:2017:5KVTRC2NBV6UVVAVZ6SLVTGDUH

not attested not anchored not stored refs pending

Model-independent curvature determination with 21cm intensity mapping experiments

Amadeus Witzemann, Amanda Weltman, Chris Clarkson, Mario G. Santos, Marta Spinelli, Philip Bull

arxiv:1711.02179 v2 · 2017-11-06 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KVTRC2NBV6UVVAVZ6SLVTGDUH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:17:08.693649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaab388b4d0d7d4ad415cfa4baccc3a1c799c5005c3e803660fd8ecc4ad29cd5

Aliases

arxiv: 1711.02179 · arxiv_version: 1711.02179v2 · doi: 10.48550/arxiv.1711.02179 · pith_short_12: 5KVTRC2NBV6U · pith_short_16: 5KVTRC2NBV6UVVAV · pith_short_8: 5KVTRC2N

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5KVTRC2NBV6UVVAVZ6SLVTGDUH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: eaab388b4d0d7d4ad415cfa4baccc3a1c799c5005c3e803660fd8ecc4ad29cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baab012cfbcb7f3492db024758d55b14df2272a3ecee8b54e1d8ad9e754ce35a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-11-06T21:23:12Z",
    "title_canon_sha256": "88f1e5da09c766a34f0838abf0f3dab97d57249fc182f51dfeb2872e7849abde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02179",
    "kind": "arxiv",
    "version": 2
  }
}