Pith Number

pith:ECAWPHEZ

pith:2005:ECAWPHEZPUF277HMK5A2MAYECH

not attested not anchored not stored refs pending

Discovery of an extended halo of metal-poor stars in the Andromeda spiral galaxy

David B. Reitzel & Richard J. Patterson, James C. Ostheimer, Jasonjot S. Kalirai, Karoline M. Gilbert, Puragra Guhathakurta, R. Michael Rich, Steven R. Majewski

arxiv:astro-ph/0502366 v5 · 2005-02-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECAWPHEZPUF277HMK5A2MAYECH}

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.

Cited by

1 paper in Pith

Elemental Abundances in M31: First Alpha and Iron Abundance Measurements in M31's Giant Stellar Stream

Receipt and verification

First computed	2026-07-04T14:49:54.183217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2081679c997d0baffcec5741a6030411c07b4876b837769a446563bb2965b2c4

Aliases

arxiv: astro-ph/0502366 · arxiv_version: astro-ph/0502366v5 · doi: 10.48550/arxiv.astro-ph/0502366 · pith_short_12: ECAWPHEZPUF2 · pith_short_16: ECAWPHEZPUF277HM · pith_short_8: ECAWPHEZ

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/ECAWPHEZPUF277HMK5A2MAYECH \
  | 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: 2081679c997d0baffcec5741a6030411c07b4876b837769a446563bb2965b2c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60aa80f056635a80a124c1a8d467c7b21748860be7818d96890454556db7ad0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-18T20:55:59Z",
    "title_canon_sha256": "5f836046f665cb1f7a9712668919f94adef8958782ef7b809bd2953938e5702b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502366",
    "kind": "arxiv",
    "version": 5
  }
}