Pith Number

pith:DHYVNT26

pith:2019:DHYVNT26R3A732GIOINCPVNASV

not attested not anchored not stored refs pending

The Chemical/Dynamical Evolution of the Galactic Bulge

Adam Burgasser, Andrea Kunder, Christian Johnson, R. Michael Rich, Will Clarkson

arxiv:1904.04393 v1 · 2019-04-08 · 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{DHYVNT26R3A732GIOINCPVNASV}

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	2026-05-17T23:48:59.117678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f156cf5e8ec1fde8c8721a27d5a095550776760320846d67c6ec04a0179978

Aliases

arxiv: 1904.04393 · arxiv_version: 1904.04393v1 · doi: 10.48550/arxiv.1904.04393 · pith_short_12: DHYVNT26R3A7 · pith_short_16: DHYVNT26R3A732GI · pith_short_8: DHYVNT26

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/DHYVNT26R3A732GIOINCPVNASV \
  | 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: 19f156cf5e8ec1fde8c8721a27d5a095550776760320846d67c6ec04a0179978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340a8ccc1ec87d32730e9f2fa198422b0dc63ffbec97ed5dd972f527e6a8e377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-08T23:11:21Z",
    "title_canon_sha256": "f4611b21f04477c8528f6ca6f9fc83b8a24abf88628ab7723bd94e512000ed3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04393",
    "kind": "arxiv",
    "version": 1
  }
}