Pith Number

pith:FFSZWWJ6

pith:2019:FFSZWWJ6DT5L35XYLZT5OPUACI

not attested not anchored not stored refs pending

Dust evolution in pre-stellar cores

Bilal Ladjelate, Charl\`ene Lef\`evre, Hiroyuki Hirashita, Laurent Pagani, Michiel Min, Robert Zylka

arxiv:1911.03257 v2 · 2019-11-08 · 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{FFSZWWJ6DT5L35XYLZT5OPUACI}

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	2026-07-05T00:40:02.038438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29659b593e1cfabdf6f85e67d73e80120432b96fc86e9c802d5abe59a7b4a403

Aliases

arxiv: 1911.03257 · arxiv_version: 1911.03257v2 · doi: 10.48550/arxiv.1911.03257 · pith_short_12: FFSZWWJ6DT5L · pith_short_16: FFSZWWJ6DT5L35XY · pith_short_8: FFSZWWJ6

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/FFSZWWJ6DT5L35XYLZT5OPUACI \
  | 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: 29659b593e1cfabdf6f85e67d73e80120432b96fc86e9c802d5abe59a7b4a403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301361dbae0111c6b0d4b2169daa5f924894a9bcd63260ba43a38981d31bc1b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-08T13:43:43Z",
    "title_canon_sha256": "3bb222ecae328709d9eb91a01cefce9d098c8221e8dceebc3cedb0cb8c4dac74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.03257",
    "kind": "arxiv",
    "version": 2
  }
}