Pith Number

pith:NVEIBB2Y

pith:2012:NVEIBB2YCTVEWAPJLVEHVDAIWD

not attested not anchored not stored refs pending

Cosmicflows-2: I-band Luminosity - HI Linewidth Calibration

Helene M. Courtois, R. Brent Tully

arxiv:1202.3191 v1 · 2012-02-15 · 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{NVEIBB2YCTVEWAPJLVEHVDAIWD}

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	2026-05-18T01:58:28.336246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d4880875814ea4b01e95d487a8c08b0eba815782901b8ddc7d70af3444bdf3d

Aliases

arxiv: 1202.3191 · arxiv_version: 1202.3191v1 · doi: 10.48550/arxiv.1202.3191 · pith_short_12: NVEIBB2YCTVE · pith_short_16: NVEIBB2YCTVEWAPJ · pith_short_8: NVEIBB2Y

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/NVEIBB2YCTVEWAPJLVEHVDAIWD \
  | 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: 6d4880875814ea4b01e95d487a8c08b0eba815782901b8ddc7d70af3444bdf3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7497a4721df306ebaa05dcc67f431c06fe20d8ec9c9415e4ad9eab94da07c4ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-15T02:16:45Z",
    "title_canon_sha256": "087e81c741f51e0db561cd66c92cbca0044932f4a49208bab5dcc4dfbdeffd3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3191",
    "kind": "arxiv",
    "version": 1
  }
}