Pith Number

pith:GCB7JS6B

pith:2022:GCB7JS6BYAUZ4NYLBVH5KBDZJL

not attested not anchored not stored refs pending

Top-down formation of ethylene from fragmentation of superhydrogenated polycyclic aromatic hydrocarbons

Bj{\o}rk Hammer, Frederik Doktor S. Simonsen, Jos Oomens, Julianna Palot\'as, Liv Hornek{\ae}r, Rijutha Jaganathan, Zeyuan Tang

arxiv:2205.07705 v2 · 2022-05-16 · astro-ph.GA · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCB7JS6BYAUZ4NYLBVH5KBDZJL}

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	2026-07-05T05:22:07.910802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3083f4cbc1c0299e370b0d4fd504794acbc324f2abd12a8fbc2b9e260ea1defa

Aliases

arxiv: 2205.07705 · arxiv_version: 2205.07705v2 · doi: 10.48550/arxiv.2205.07705 · pith_short_12: GCB7JS6BYAUZ · pith_short_16: GCB7JS6BYAUZ4NYL · pith_short_8: GCB7JS6B

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/GCB7JS6BYAUZ4NYLBVH5KBDZJL \
  | 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: 3083f4cbc1c0299e370b0d4fd504794acbc324f2abd12a8fbc2b9e260ea1defa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8957b18ca6da99dc76dd382dafc062842142269fa00fe230df47345ca3e87b3c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-16T14:13:43Z",
    "title_canon_sha256": "9c56b0a3582c2c8404b4de8a5759f86d3104610d908a3d7aa167bbdd2ddfeb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07705",
    "kind": "arxiv",
    "version": 2
  }
}