Pith Number

pith:YPIUXVIN

pith:2012:YPIUXVINTEB7Q4BNAAC3IZZQWA

not attested not anchored not stored refs pending

Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS II. The complete high resolution extinction map and implications for Bulge studies

B. Chen, D. Minniti, E. Valenti, M. Rejkuba, M. Schultheis, M. Zoccali, O. A. Gonzalez, R. Tobar

arxiv:1204.4004 v1 · 2012-04-18 · 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{YPIUXVINTEB7Q4BNAAC3IZZQWA}

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	2026-05-18T01:57:49.492265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d14bd50d9903f8702d0005b46730b0123894ac99d138190776d66827ef2b52

Aliases

arxiv: 1204.4004 · arxiv_version: 1204.4004v1 · doi: 10.48550/arxiv.1204.4004 · pith_short_12: YPIUXVINTEB7 · pith_short_16: YPIUXVINTEB7Q4BN · pith_short_8: YPIUXVIN

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/YPIUXVINTEB7Q4BNAAC3IZZQWA \
  | 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: c3d14bd50d9903f8702d0005b46730b0123894ac99d138190776d66827ef2b52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52271acfe75a42a4c988d8e291aa68f4d033427704dccffcc2eec5c15e9d51d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-18T08:05:48Z",
    "title_canon_sha256": "f1cfd8e454fb7f7bd5ea18fc98a81987160aad85e4184398d5bb71fd2a35d070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4004",
    "kind": "arxiv",
    "version": 1
  }
}