Pith Number

pith:SRFFXTPL

pith:2012:SRFFXTPLWZD4SRLOW3WH7NVVEI

not attested not anchored not stored refs pending

An Ancient Metal-Poor Population in M32, and Halo Satellite Accretion in M31, Identified by RR Lyrae Stars

Antonela Monachesi, Ata Sarajedini, Scott C. Trager, Soung-Chul Yang, Tod R. Lauer

arxiv:1206.6376 v1 · 2012-06-27 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRFFXTPLWZD4SRLOW3WH7NVVEI}

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	2026-05-18T01:56:41.158998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

944a5bcdebb647c9456eb6ec7fb6b52226853b6ece76a4b2512250c4ab41a010

Aliases

arxiv: 1206.6376 · arxiv_version: 1206.6376v1 · doi: 10.48550/arxiv.1206.6376 · pith_short_12: SRFFXTPLWZD4 · pith_short_16: SRFFXTPLWZD4SRLO · pith_short_8: SRFFXTPL

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/SRFFXTPLWZD4SRLOW3WH7NVVEI \
  | 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: 944a5bcdebb647c9456eb6ec7fb6b52226853b6ece76a4b2512250c4ab41a010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5944bcaeb64999a1738dc6cd267dec9b7f904780d2e003c6be4e2ad1014cea7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-06-27T19:55:33Z",
    "title_canon_sha256": "f865b1415211b1ae91bf94f2098c6f4d3c228a71a809f786c8c3f0205d1499c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6376",
    "kind": "arxiv",
    "version": 1
  }
}