Pith Number

pith:C7VWX2TC

pith:2010:C7VWX2TCHOLWRUE3UHPEUNFSBX

not attested not anchored not stored refs pending

Chemical abundances in the protoplanetary disk LV2 (Orion): clues to the causes of the abundance anomaly in HII regions

D. P\'equignot (Meudon), J. M. V\'ilchez (IAA), J. R. Walsh (ESO), Y. G. Tsamis (ESO)

arxiv:1009.4783 v2 · 2010-09-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7VWX2TCHOLWRUE3UHPEUNFSBX}

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	2026-05-18T02:05:17.774891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17eb6bea623b9768d09ba1de4a34b20dee76e16c3200484b985800b94762e1c5

Aliases

arxiv: 1009.4783 · arxiv_version: 1009.4783v2 · doi: 10.48550/arxiv.1009.4783 · pith_short_12: C7VWX2TCHOLW · pith_short_16: C7VWX2TCHOLWRUE3 · pith_short_8: C7VWX2TC

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/C7VWX2TCHOLWRUE3UHPEUNFSBX \
  | 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: 17eb6bea623b9768d09ba1de4a34b20dee76e16c3200484b985800b94762e1c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b076e6fc452a785f53577c0661c15e0a60554c66eaf3f3592973d1d6278d6985",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-24T08:55:07Z",
    "title_canon_sha256": "4477f86742553f41c45955e0e8e416a47200fb44d5d0db83f983aad29e1e7252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4783",
    "kind": "arxiv",
    "version": 2
  }
}