Pith Number

pith:7ZKYATVK

pith:2017:7ZKYATVKLHLF34BJL32ZSRMUBF

not attested not anchored not stored refs pending

The cosmic dust rate across the Universe

Francesca Matteucci, Francesco Calura, Lorenzo Gioannini

arxiv:1707.06784 v3 · 2017-07-21 · 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{7ZKYATVKLHLF34BJL32ZSRMUBF}

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	2026-05-18T00:35:58.259545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe55804eaa59d65df0295ef59945940943d5e69ec5a84c4e136bf5e03684dacd

Aliases

arxiv: 1707.06784 · arxiv_version: 1707.06784v3 · doi: 10.48550/arxiv.1707.06784 · pith_short_12: 7ZKYATVKLHLF · pith_short_16: 7ZKYATVKLHLF34BJ · pith_short_8: 7ZKYATVK

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/7ZKYATVKLHLF34BJL32ZSRMUBF \
  | 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: fe55804eaa59d65df0295ef59945940943d5e69ec5a84c4e136bf5e03684dacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb3f7fc792cfa0f327243be8a6c5a974a56bfaf3e8e8d3ef93ffdfab73a05ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-21T07:29:34Z",
    "title_canon_sha256": "ec4f555b6dcf5aa7f65f70afec4f1b5f2489b9bd6a36f07fb41372004d6f8537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06784",
    "kind": "arxiv",
    "version": 3
  }
}