Pith Number

pith:4A3OGRDT

pith:2017:4A3OGRDTPEVAOQYU3LIWD7X37W

not attested not anchored not stored refs pending

Where does galactic dust come from?

Flavia Dell'Agli, Leslie Hunt, Luca Graziani, Michele Ginolfi, Paolo Ventura, Raffaella Schneider, Rosa Valiante, Stefania Marassi

arxiv:1707.05328 v2 · 2017-07-17 · 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{4A3OGRDTPEVAOQYU3LIWD7X37W}

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	2026-05-18T00:28:55.034821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e036e34473792a074314dad161fefbfd9bb850881ec75e33c22e658a8fdb064e

Aliases

arxiv: 1707.05328 · arxiv_version: 1707.05328v2 · doi: 10.48550/arxiv.1707.05328 · pith_short_12: 4A3OGRDTPEVA · pith_short_16: 4A3OGRDTPEVAOQYU · pith_short_8: 4A3OGRDT

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/4A3OGRDTPEVAOQYU3LIWD7X37W \
  | 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: e036e34473792a074314dad161fefbfd9bb850881ec75e33c22e658a8fdb064e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ddb7c8cef9bdc1804d5976a5b0978fe00cda0c234af9afccc096024711a1046",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-17T18:00:04Z",
    "title_canon_sha256": "aafda6c13c9fcb71810a359d2412ee04da200c01e9504b4820c304141886aac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05328",
    "kind": "arxiv",
    "version": 2
  }
}