Pith Number

pith:VHGXAEL2

pith:2019:VHGXAEL27GEZZZXRXCVD3ODLJK

not attested not anchored not stored refs pending

Tip of the red giant branch distance to the nearby dwarf galaxy [TT2009] 25 in the NGC 891 group

Lorenzo Posti, Marina Rejkuba, Oliver M\"uller, Rodrigo Ibata

arxiv:1908.03073 v1 · 2019-08-08 · 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{VHGXAEL27GEZZZXRXCVD3ODLJK}

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	2026-07-05T00:00:09.967856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9cd70117af9899ce6f1b8aa3db86b4a9a6a90c17f3c0da4afc0e41bb1146b60

Aliases

arxiv: 1908.03073 · arxiv_version: 1908.03073v1 · doi: 10.48550/arxiv.1908.03073 · pith_short_12: VHGXAEL27GEZ · pith_short_16: VHGXAEL27GEZZZXR · pith_short_8: VHGXAEL2

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/VHGXAEL27GEZZZXRXCVD3ODLJK \
  | 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: a9cd70117af9899ce6f1b8aa3db86b4a9a6a90c17f3c0da4afc0e41bb1146b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa042c3c8c39fef71821804079b9a118502258fcc86a0cf19b8ec98b0a7d589",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-08T13:46:02Z",
    "title_canon_sha256": "1a2367cebb3d30f10794e8ae5e8cab6b98874dde3b5212d11039755b0ca560d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03073",
    "kind": "arxiv",
    "version": 1
  }
}