Pith Number

pith:S7SXVB35

pith:2014:S7SXVB35GVPZVTL62SUEQTEJGE

not attested not anchored not stored refs pending

The Panchromatic Hubble Andromeda Treasury. VII. The Steep Mid-Ultraviolet to Near-Infrared Extinction Curve in the Central 200 pc of the M31 Bulge

Abhijit Saha, Eric Bell, Hui Dong, Julianne Dalcanton, Karl Gordon, Knut Olsen, Luciana Bianchi, Morgan Fouesneau, Q. Daniel Wang, Tod R. Lauer, Zhiyuan Li

arxiv:1403.2691 v2 · 2014-03-11 · 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{S7SXVB35GVPZVTL62SUEQTEJGE}

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	2026-05-18T01:44:08.724572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97e57a877d355f9acd7ed4a8484c8931091b3f0b23291587189ae67c1dde2370

Aliases

arxiv: 1403.2691 · arxiv_version: 1403.2691v2 · doi: 10.48550/arxiv.1403.2691 · pith_short_12: S7SXVB35GVPZ · pith_short_16: S7SXVB35GVPZVTL6 · pith_short_8: S7SXVB35

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/S7SXVB35GVPZVTL62SUEQTEJGE \
  | 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: 97e57a877d355f9acd7ed4a8484c8931091b3f0b23291587189ae67c1dde2370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad19185147c5514fe35826d429d3f87937b08fdf9301f56736247a1bde263d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-11T18:57:01Z",
    "title_canon_sha256": "62063c81c9cad731a06a2da93d4d531eec9d0baa1fc20d3c4aed09cfca45cb0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2691",
    "kind": "arxiv",
    "version": 2
  }
}