Pith Number

pith:MLWJTWIB

pith:2018:MLWJTWIB6Z65LIHWWI2T6XEJG3

not attested not anchored not stored refs pending

Dense gas and star formation in individual Giant Molecular Clouds in M31

J. Forbrich, J. Fritz, S. Viaene

arxiv:1801.07715 v1 · 2018-01-23 · 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{MLWJTWIB6Z65LIHWWI2T6XEJG3}

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	2026-05-18T00:23:44.814816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ec99d901f67dd5a0f6b2353f5c8936e484febb185621ca0f19d0acde443325

Aliases

arxiv: 1801.07715 · arxiv_version: 1801.07715v1 · doi: 10.48550/arxiv.1801.07715 · pith_short_12: MLWJTWIB6Z65 · pith_short_16: MLWJTWIB6Z65LIHW · pith_short_8: MLWJTWIB

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/MLWJTWIB6Z65LIHWWI2T6XEJG3 \
  | 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: 62ec99d901f67dd5a0f6b2353f5c8936e484febb185621ca0f19d0acde443325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ab2e524d0bc6e474ff4ab50686a5f444e09e3d9ae471f395d0fbaf1ec0941b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-23T19:00:00Z",
    "title_canon_sha256": "64cb4e4d3d1d1c8b3eed0cf42f3d19476986afe2e546d33630d799c0ef50a475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07715",
    "kind": "arxiv",
    "version": 1
  }
}