Pith Number

pith:SIZWLTYX

pith:2015:SIZWLTYX22FC2EV2L4PYOTKGGR

not attested not anchored not stored refs pending

Photometric Evidence of an Intermediate-age Stellar Population in the Inner Bulge of M31

Abhijit Saha, Benjamin F. Williams, Hui Dong, Julianne J. Dalcanton, Knut A. G. Olsen, Q. Daniel Wang, Tod R. Lauer, Zhiyuan Li

arxiv:1506.01097 v1 · 2015-06-03 · 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{SIZWLTYX22FC2EV2L4PYOTKGGR}

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	2026-05-18T01:58:25.080829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923365cf17d68a2d12ba5f1f874d4634595979c25f55b3aa76ce31befee61157

Aliases

arxiv: 1506.01097 · arxiv_version: 1506.01097v1 · doi: 10.48550/arxiv.1506.01097 · pith_short_12: SIZWLTYX22FC · pith_short_16: SIZWLTYX22FC2EV2 · pith_short_8: SIZWLTYX

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/SIZWLTYX22FC2EV2L4PYOTKGGR \
  | 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: 923365cf17d68a2d12ba5f1f874d4634595979c25f55b3aa76ce31befee61157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de69b76f18cd396998350d4e3fd0e4c19f4b1095f2bf359cc1fbd6b3ce81fadb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-03T00:46:43Z",
    "title_canon_sha256": "5e12d8b55fba2d85c536e3d7e8def9368bbc2b60473d16c6dee8c8e27542c7ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01097",
    "kind": "arxiv",
    "version": 1
  }
}