Pith Number

pith:3K6WDHUM

pith:2018:3K6WDHUM5SFSECD7Z4C6YZ6HGA

not attested not anchored not stored refs pending

The Near-Infrared Tip of the Red Giant Branch. I. A Calibration in the Isolated Dwarf Galaxy IC 1613

Andrew J. Monson, Barry F. Madore, Dylan Hatt, In Sung Jang, Jeffrey A. Rich, Mark Seibert, Myung Gyoon Lee, Rachael L. Beaton, Taylor J. Hoyt, Victoria Scowcroft, Wendy L. Freedman

arxiv:1803.01278 v1 · 2018-03-04 · astro-ph.GA · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3K6WDHUM5SFSECD7Z4C6YZ6HGA}

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	2026-05-18T00:16:59.062468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dabd619e8cec8b22087fcf05ec67c730076310cd00d51a9f10bee5e7a706a850

Aliases

arxiv: 1803.01278 · arxiv_version: 1803.01278v1 · doi: 10.48550/arxiv.1803.01278 · pith_short_12: 3K6WDHUM5SFS · pith_short_16: 3K6WDHUM5SFSECD7 · pith_short_8: 3K6WDHUM

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/3K6WDHUM5SFSECD7Z4C6YZ6HGA \
  | 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: dabd619e8cec8b22087fcf05ec67c730076310cd00d51a9f10bee5e7a706a850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c469fb7e5c8d1db418974ef649ef57a2143873e5209c8daf75261e46dab547fd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-04T01:10:57Z",
    "title_canon_sha256": "8dd9649eb1fccb305355fb98ff5d7eca552ab573c94cf9aa58d1fb64f10ada92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01278",
    "kind": "arxiv",
    "version": 1
  }
}