Pith Number

pith:FKJ3SLHF

pith:2012:FKJ3SLHFROG767MCLRNCSKKRPQ

not attested not anchored not stored refs pending

Detection of the Circumstellar Disk Associated with 2MASS J0820-8003 in the eta Cha Cluster

Ana-Maria Constantin, Joshua E. Schlieder, Michele Silverstein, M. Simon

arxiv:1203.3202 v1 · 2012-03-14 · astro-ph.GA · 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{FKJ3SLHFROG767MCLRNCSKKRPQ}

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	2026-05-18T01:58:08.687522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a93b92ce58b8dff7d825c5a2929517c3c040a87fa6f19ac8d9f7e1c44a2f8dc

Aliases

arxiv: 1203.3202 · arxiv_version: 1203.3202v1 · doi: 10.48550/arxiv.1203.3202 · pith_short_12: FKJ3SLHFROG7 · pith_short_16: FKJ3SLHFROG767MC · pith_short_8: FKJ3SLHF

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/FKJ3SLHFROG767MCLRNCSKKRPQ \
  | 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: 2a93b92ce58b8dff7d825c5a2929517c3c040a87fa6f19ac8d9f7e1c44a2f8dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a78a04cc60b2e3571a84dae53c598e7c843edf52cc3b8da49fcf426938614e3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-14T20:11:24Z",
    "title_canon_sha256": "5cebc329aa95be3d27d32184aaccc3d566d5f2829a2fd3ce972b96f54387a981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3202",
    "kind": "arxiv",
    "version": 1
  }
}