Pith Number

pith:SEIXT6HB

pith:2012:SEIXT6HBZLWDUJ2NA4UM6S7P4F

not attested not anchored not stored refs pending

Mid-infrared variability of the binary system CS Cha

Catherine Espaillat, Erick Nagel, Nuria Calvet, Paola D'Alessio

arxiv:1201.4164 v1 · 2012-01-19 · 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{SEIXT6HBZLWDUJ2NA4UM6S7P4F}

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	2026-05-18T01:58:46.564193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

911179f8e1caec3a274d0728cf4befe16bac57f699b3a0d3273b443a2631a496

Aliases

arxiv: 1201.4164 · arxiv_version: 1201.4164v1 · doi: 10.48550/arxiv.1201.4164 · pith_short_12: SEIXT6HBZLWD · pith_short_16: SEIXT6HBZLWDUJ2N · pith_short_8: SEIXT6HB

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/SEIXT6HBZLWDUJ2NA4UM6S7P4F \
  | 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: 911179f8e1caec3a274d0728cf4befe16bac57f699b3a0d3273b443a2631a496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d6c220445d41439bcc2379901c371f9be601ac43e686f378791da0b17942cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-19T20:38:18Z",
    "title_canon_sha256": "698bfa37bca652efbc50c5b293bb25d61431b52d65fd559e5704cffc83048e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4164",
    "kind": "arxiv",
    "version": 1
  }
}