Pith Number

pith:L5EJWGN3

pith:2025:L5EJWGN3GEMGK7YNNTGTLDW77O

not attested not anchored not stored refs pending

Tracking the Chemical Evolution of Hydrocarbons Through Carbon Grain Supply in Protoplanetary Disks

Edwin A. Bergin, Eshan Raul, Felipe Alarc\'on

arxiv:2502.01765 v1 · 2025-02-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L5EJWGN3GEMGK7YNNTGTLDW77O}

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	2026-07-05T10:09:18.706694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f489b19bb3118657f0d6ccd358edffb9f08cde7cf2cd2b95dce591a6d5c6985

Aliases

arxiv: 2502.01765 · arxiv_version: 2502.01765v1 · doi: 10.48550/arxiv.2502.01765 · pith_short_12: L5EJWGN3GEMG · pith_short_16: L5EJWGN3GEMGK7YN · pith_short_8: L5EJWGN3

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/L5EJWGN3GEMGK7YNNTGTLDW77O \
  | 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: 5f489b19bb3118657f0d6ccd358edffb9f08cde7cf2cd2b95dce591a6d5c6985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083ce63f4518921847906156ff288705d5ca414e92e41a8c2bc950d351b7c402",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-02-03T19:09:49Z",
    "title_canon_sha256": "2d691b36756c119b9c9a20a30be97d94e8f0c70b0381e67ed497c4212fd4e581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01765",
    "kind": "arxiv",
    "version": 1
  }
}