Pith Number

pith:TQLK4HWN

pith:2016:TQLK4HWN2AMGDPS4RHPLS3KSL4

not attested not anchored not stored refs pending

The orbital ephemeris of the classical nova RR Pictoris: presence of a third body?

(2) European Southern Observatory, (3) Vereniging Voor Sterrenkunde (VVS), 4), (4) American Association of Variable Star Observers, Belgium, Cambridge, Chile, C. Tappert (1), F.-J. Hambsch (3, G. Retamales (1), I. Fuentes-Morales (1) ((1) Instituto de F\'isica y Astronom\'ia, L. Schmidtobreick (2), M. R. Schreiber (1), N. Vogt (1), Santiago, Universidad de Valpara\'iso, USA), Valpara\'iso

arxiv:1609.05274 v1 · 2016-09-17 · 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{TQLK4HWN2AMGDPS4RHPLS3KSL4}

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	2026-05-18T00:55:41.471464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c16ae1ecdd01861be5c89deb96d525f123b8b80e24eefe7797435ee5da1dd70

Aliases

arxiv: 1609.05274 · arxiv_version: 1609.05274v1 · doi: 10.48550/arxiv.1609.05274 · pith_short_12: TQLK4HWN2AMG · pith_short_16: TQLK4HWN2AMGDPS4 · pith_short_8: TQLK4HWN

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/TQLK4HWN2AMGDPS4RHPLS3KSL4 \
  | 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: 9c16ae1ecdd01861be5c89deb96d525f123b8b80e24eefe7797435ee5da1dd70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65f4448e9e654e9a795b1a02e0ceacab6b0b5b14935b1c1eb6e837a247ad05d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-17T02:45:03Z",
    "title_canon_sha256": "3705d49f315aa1f3d4e4132287a3b0fea9d9772d9b1ca5a115b07b5eefbc3f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05274",
    "kind": "arxiv",
    "version": 1
  }
}