Pith Number

pith:ESA7IVLS

pith:2011:ESA7IVLSKQG3BIPKHFYEXORXON

not attested not anchored not stored refs pending

Herschel Observations of the T Cha Transition Disk: Constraining the Outer Disk Properties

Bruno Merin, Christophe Pinte, Francois Menard, Jean-Charles Augereau, Joan Najita, Johan Olofsson, Lucas A. Cieza, Neal J. Evans II, Paul M. Harvey, Thomas Henning

arxiv:1109.6041 v1 · 2011-09-27 · 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{ESA7IVLSKQG3BIPKHFYEXORXON}

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	2026-05-18T02:00:22.397574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2481f45572540db0a1ea39704bba37735af5fda058290ab035966b1007ea8f60

Aliases

arxiv: 1109.6041 · arxiv_version: 1109.6041v1 · doi: 10.48550/arxiv.1109.6041 · pith_short_12: ESA7IVLSKQG3 · pith_short_16: ESA7IVLSKQG3BIPK · pith_short_8: ESA7IVLS

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/ESA7IVLSKQG3BIPKHFYEXORXON \
  | 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: 2481f45572540db0a1ea39704bba37735af5fda058290ab035966b1007ea8f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0716d217d5d87e7c790f4f845e1484698e9d4b6aa3372a8595e977fe6eb8456c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-27T21:18:01Z",
    "title_canon_sha256": "ebdfcc69548dc904759a504d9b6b360ba49e26b2d4f5a46e1a571e44d8cd8ac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6041",
    "kind": "arxiv",
    "version": 1
  }
}