Pith Number

pith:OA5EYMZL

pith:2017:OA5EYMZL24WLQBWLHC4CH7ZTHA

not attested not anchored not stored refs pending

Study of the inner disk of the Herbig star MWC480

Alain Spang, Bruno Lopez, Narges Jamialahmadi, Philippe Berio, Sebastien Flammend

arxiv:1709.04839 v1 · 2017-09-14 · 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{OA5EYMZL24WLQBWLHC4CH7ZTHA}

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	2026-05-18T00:35:09.865744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703a4c332bd72cb806cb38b823ff33381f4ad36d27efb251a296443b6a9dae8e

Aliases

arxiv: 1709.04839 · arxiv_version: 1709.04839v1 · doi: 10.48550/arxiv.1709.04839 · pith_short_12: OA5EYMZL24WL · pith_short_16: OA5EYMZL24WLQBWL · pith_short_8: OA5EYMZL

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/OA5EYMZL24WLQBWLHC4CH7ZTHA \
  | 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: 703a4c332bd72cb806cb38b823ff33381f4ad36d27efb251a296443b6a9dae8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0afe3eec70a7c335e02918e0cddf01e3d72f7f973d8d624e4f03ec4065823e7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-09-14T15:22:40Z",
    "title_canon_sha256": "28d9e550e5113337161a447fd36fde7a783b211babc4283d03017b7c079ff69c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04839",
    "kind": "arxiv",
    "version": 1
  }
}