Pith Number

pith:QYSYR3IT

pith:2016:QYSYR3ITSSPLFXAJVVUDSJKT4M

not attested not anchored not stored refs pending

Level of helium enhancement among M3's horizontal-branch stars

A. A. R. Valcarce, J. Alonso-Garc\'ia, M. Catelan, R. Contreras Ramos, S. Alves

arxiv:1601.06747 v2 · 2016-01-25 · 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{QYSYR3ITSSPLFXAJVVUDSJKT4M}

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	2026-05-18T01:15:57.641043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

862588ed13949eb2dc09ad68392553e308249b139873952328724b25d57d8664

Aliases

arxiv: 1601.06747 · arxiv_version: 1601.06747v2 · doi: 10.48550/arxiv.1601.06747 · pith_short_12: QYSYR3ITSSPL · pith_short_16: QYSYR3ITSSPLFXAJ · pith_short_8: QYSYR3IT

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/QYSYR3ITSSPLFXAJVVUDSJKT4M \
  | 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: 862588ed13949eb2dc09ad68392553e308249b139873952328724b25d57d8664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82253acddaa7e9a353636820f6a3599692b4b3b9776e682dfb4fffd3ebcdda69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-25T20:01:03Z",
    "title_canon_sha256": "9915abc77d1dea74570edc918334f8e4c517dc0f468532ca78474056741292aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06747",
    "kind": "arxiv",
    "version": 2
  }
}