Pith Number

pith:UIIFWZHN

pith:2015:UIIFWZHN4XI76W3EY4YAR3HB2G

not attested not anchored not stored refs pending

HD 80606: Searching the chemical signature of planet formation

A. Buccino, C. Saffe, M. Flores

arxiv:1507.08125 v1 · 2015-07-29 · astro-ph.SR · 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{UIIFWZHN4XI76W3EY4YAR3HB2G}

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	2026-05-18T01:31:37.266125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2105b64ede5d1ff5b64c73008ece1d1bf454e25de50eafce6e18e213bf1e6e3

Aliases

arxiv: 1507.08125 · arxiv_version: 1507.08125v1 · doi: 10.48550/arxiv.1507.08125 · pith_short_12: UIIFWZHN4XI7 · pith_short_16: UIIFWZHN4XI76W3E · pith_short_8: UIIFWZHN

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/UIIFWZHN4XI76W3EY4YAR3HB2G \
  | 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: a2105b64ede5d1ff5b64c73008ece1d1bf454e25de50eafce6e18e213bf1e6e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc712fcdd08f7add2adaac045b91be0ab8cf40318c30f01337756931d5ddfd15",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-29T13:00:21Z",
    "title_canon_sha256": "2753ad90614ad83ffd3f6170f3021f52db74e047c83958817423b818a246df23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08125",
    "kind": "arxiv",
    "version": 1
  }
}