Pith Number

pith:UG3V6AZD

pith:2019:UG3V6AZD5ZSBTZCUDJ7MGUCD6B

not attested not anchored not stored refs pending

Unusual Isotopic Abundances in a Fully-Convective Stellar Binary

A. Skemer, B. Flores, B. Miles, E.A.C. Mills, I.J.M. Crossfield, J.D. Lothringer, J. Valverde, R. Freedman, X. Guo

arxiv:1901.02607 v1 · 2019-01-09 · 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{UG3V6AZD5ZSBTZCUDJ7MGUCD6B}

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	2026-05-17T23:56:09.207443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b75f0323ee6419e4541a7ec35043f06b26e0cff34af35cf2b11f12e735c688

Aliases

arxiv: 1901.02607 · arxiv_version: 1901.02607v1 · doi: 10.48550/arxiv.1901.02607 · pith_short_12: UG3V6AZD5ZSB · pith_short_16: UG3V6AZD5ZSBTZCU · pith_short_8: UG3V6AZD

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/UG3V6AZD5ZSBTZCUDJ7MGUCD6B \
  | 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: a1b75f0323ee6419e4541a7ec35043f06b26e0cff34af35cf2b11f12e735c688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf20a1e190fdbfe928529a3427fe377230d1c3a450ad21882cdd834aef64e175",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-09T05:28:06Z",
    "title_canon_sha256": "453ae67ef392589dd0c976ceb298ba8b3b4d83c4425191b0780776a3bf931583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02607",
    "kind": "arxiv",
    "version": 1
  }
}