Pith Number

pith:FBPOMV5S

pith:2022:FBPOMV5SS2W5YJC6FYTVNRHIUE

not attested not anchored not stored refs pending

An APEX search for carbon emission from NGC 1977 proplyds

Andrew J. Winter, Cathie J. Clarke, Giulia Ballabio, James E. Owen, Jinyoung S. Kim, Jonathan P. Williams, Lin Qiao, Megan Ansdell, Mikhel Kama, Stefano Facchini, Thomas J. Haworth

arxiv:2203.03928 v1 · 2022-03-08 · astro-ph.EP · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBPOMV5SS2W5YJC6FYTVNRHIUE}

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	2026-07-05T04:09:49.989091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

285ee657b296addc245e2e2756c4e8a10d3754b21eb32d6aebb5fc59b6fc3e7c

Aliases

arxiv: 2203.03928 · arxiv_version: 2203.03928v1 · doi: 10.48550/arxiv.2203.03928 · pith_short_12: FBPOMV5SS2W5 · pith_short_16: FBPOMV5SS2W5YJC6 · pith_short_8: FBPOMV5S

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/FBPOMV5SS2W5YJC6FYTVNRHIUE \
  | 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: 285ee657b296addc245e2e2756c4e8a10d3754b21eb32d6aebb5fc59b6fc3e7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0b0c142cff0b728647efc2d6e5c796896a902688e511533519ec31e74809361",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-03-08T08:49:55Z",
    "title_canon_sha256": "810f9286ccab6cc630d45895a2e43f85bddbb7c2106dd9b507ade327e96ede1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.03928",
    "kind": "arxiv",
    "version": 1
  }
}