Pith Number

pith:NJ5HP7H2

pith:2015:NJ5HP7H2ELZZ7YAQ7HBH4PRQPZ

not attested not anchored not stored refs pending

Near-IR imaging of T Cha: evidence for scattered-light disk structures at solar system scales

A. Cheetham, I. de Gregorio-Monsalvo, N. Huelamo, P. Tuthill, S. Lacour

arxiv:1502.05084 v1 · 2015-02-17 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJ5HP7H2ELZZ7YAQ7HBH4PRQPZ}

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	2026-05-18T00:36:33.656049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7a77fcfa22f39fe010f9c27e3e307e673e89e31934be16858952ebda346f29

Aliases

arxiv: 1502.05084 · arxiv_version: 1502.05084v1 · doi: 10.48550/arxiv.1502.05084 · pith_short_12: NJ5HP7H2ELZZ · pith_short_16: NJ5HP7H2ELZZ7YAQ · pith_short_8: NJ5HP7H2

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/NJ5HP7H2ELZZ7YAQ7HBH4PRQPZ \
  | 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: 6a7a77fcfa22f39fe010f9c27e3e307e673e89e31934be16858952ebda346f29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ccab7e6f6af7d59b8c2b35f2db379cccb6c8f6ebf2bc30d53edc50f26ea0916",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-17T22:54:05Z",
    "title_canon_sha256": "2cd3bea1ac34144e2ab87a69f707f80e0dbccaa6fd55cd9ab31590b7873e1fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05084",
    "kind": "arxiv",
    "version": 1
  }
}