Pith Number

pith:GPXNIVUK

pith:2015:GPXNIVUKLZL32AKMOKSTKQD65K

not attested not anchored not stored refs pending

Witnessing the Emergence of a Carbon Star

A. A. Zijlstra, A. I. Karakas, A. Muller, A. Smette, D. Jones, E. Lagadec, G. C. Sloan, H. M. J. Boffin, Lars-Ake Nyman, L. Guzman-Ramirez, M. P. Redman, R. Wesson

arxiv:1504.03349 v1 · 2015-04-13 · 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{GPXNIVUKLZL32AKMOKSTKQD65K}

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	2026-05-18T02:03:32.832993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33eed4568a5e57bd014c72a535407eeaa4bfb40886df18eaa39d397083fccb65

Aliases

arxiv: 1504.03349 · arxiv_version: 1504.03349v1 · doi: 10.48550/arxiv.1504.03349 · pith_short_12: GPXNIVUKLZL3 · pith_short_16: GPXNIVUKLZL32AKM · pith_short_8: GPXNIVUK

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/GPXNIVUKLZL32AKMOKSTKQD65K \
  | 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: 33eed4568a5e57bd014c72a535407eeaa4bfb40886df18eaa39d397083fccb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f67da54341c714160b5755908e2588d6ae908ac0eb730c55447cac3b68859b76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-13T20:14:08Z",
    "title_canon_sha256": "9d8adc880ff1a62bd70b7bd65d960d2076d24a108511926b7ed17fa565499e92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03349",
    "kind": "arxiv",
    "version": 1
  }
}