Pith Number

pith:NGMZSNRO

pith:2015:NGMZSNROUC5WIPBERXP7RIS6CY

not attested not anchored not stored refs pending

The Carnegie Hubble Program: The Distance and Structure of the SMC as Revealed by Mid-infrared Observations of Cepheids

Andy Monson, Barry F. Madore, Jane R. Rigby, Jeff Rich, Mark Seibert, S. E. Persson, Victoria Scowcroft, Wendy L. Freedman

arxiv:1502.06995 v1 · 2015-02-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGMZSNROUC5WIPBERXP7RIS6CY}

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	2026-05-18T01:23:04.212235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

699999362ea0bb643c248ddff8a25e1604ae3ee4f5f895895366f7c83adef9a4

Aliases

arxiv: 1502.06995 · arxiv_version: 1502.06995v1 · doi: 10.48550/arxiv.1502.06995 · pith_short_12: NGMZSNROUC5W · pith_short_16: NGMZSNROUC5WIPBE · pith_short_8: NGMZSNRO

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/NGMZSNROUC5WIPBERXP7RIS6CY \
  | 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: 699999362ea0bb643c248ddff8a25e1604ae3ee4f5f895895366f7c83adef9a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14bca4933c7922add8ee2480e2738922354dd43412f5d2067af76756fd3a35b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-24T22:45:58Z",
    "title_canon_sha256": "985da7a025295af60a3317057586c561c002de50e27b9e66c301beea22c2bd15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06995",
    "kind": "arxiv",
    "version": 1
  }
}