Pith Number

pith:KY3PS7LQ

pith:2019:KY3PS7LQ377W6YS6ZEVDF4VTFZ

not attested not anchored not stored refs pending

Probing the assembly of dwarf galaxies through cosmic time with damped Lyman-$\alpha$ absorption spectroscopy

Gurtina Besla, Myoungwon Jeon, Volker Bromm

arxiv:1905.05409 v1 · 2019-05-14 · 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{KY3PS7LQ377W6YS6ZEVDF4VTFZ}

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	2026-05-17T23:42:19.063262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5636f97d70dfff6f625ec92a32f2b32e65253707dda18fdfa6d41205f90de0ba

Aliases

arxiv: 1905.05409 · arxiv_version: 1905.05409v1 · doi: 10.48550/arxiv.1905.05409 · pith_short_12: KY3PS7LQ377W · pith_short_16: KY3PS7LQ377W6YS6 · pith_short_8: KY3PS7LQ

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/KY3PS7LQ377W6YS6ZEVDF4VTFZ \
  | 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: 5636f97d70dfff6f625ec92a32f2b32e65253707dda18fdfa6d41205f90de0ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9afb05300a4df4a65c4534227ca82c3b4f1c371ff6b6989427eb66a53677a4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-14T06:36:30Z",
    "title_canon_sha256": "611bac7e19cf778697eeebc21bf560365cc772b5856271e867e4083ff432f129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05409",
    "kind": "arxiv",
    "version": 1
  }
}