Pith Number

pith:GBFF75SW

pith:2018:GBFF75SWNHK522UCLIMD4T6FJP

not attested not anchored not stored refs pending

Exploring the Origins of Earth's Nitrogen: Astronomical Observations of Nitrogen-bearing Organics in Protostellar Environments

Edwin A. Bergin, Jes K. J{\o}rgensen, S. F. Wampfler, Thomas S. Rice

arxiv:1809.07514 v1 · 2018-09-20 · astro-ph.SR · 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{GBFF75SWNHK522UCLIMD4T6FJP}

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	2026-05-18T00:01:57.668147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

304a5ff65669d5dd6a825a183e4fc54be28bc6dc32e5fa4775f6ec88ead1ac63

Aliases

arxiv: 1809.07514 · arxiv_version: 1809.07514v1 · doi: 10.48550/arxiv.1809.07514 · pith_short_12: GBFF75SWNHK5 · pith_short_16: GBFF75SWNHK522UC · pith_short_8: GBFF75SW

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/GBFF75SWNHK522UCLIMD4T6FJP \
  | 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: 304a5ff65669d5dd6a825a183e4fc54be28bc6dc32e5fa4775f6ec88ead1ac63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f2ea3bc6ccc5d8898848183271cb42fa0cea30634c750a4e8f1ccfc41ba965d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-20T07:54:52Z",
    "title_canon_sha256": "42d62f0f79823ab9275706daa336f30b31dd851e9e2c3baa6ac49307904c426d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07514",
    "kind": "arxiv",
    "version": 1
  }
}