Pith Number

pith:XSDU3RDV

pith:2018:XSDU3RDVKDKWNWKD522J2XF4F6

not attested not anchored not stored refs pending

Astrochemical Evolution Step From Acenaphthylene C12H8 To Pure Carbon C12 Around A Herbig Ae Young Star

Norio Ota

arxiv:1803.09035 v1 · 2018-03-24 · astro-ph.SR · 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{XSDU3RDVKDKWNWKD522J2XF4F6}

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	2026-05-18T00:20:12.861269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc874dc47550d566d943eeb49d5cbc2fad1cdb5f241ac723691de23b3d004bda

Aliases

arxiv: 1803.09035 · arxiv_version: 1803.09035v1 · doi: 10.48550/arxiv.1803.09035 · pith_short_12: XSDU3RDVKDKW · pith_short_16: XSDU3RDVKDKWNWKD · pith_short_8: XSDU3RDV

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/XSDU3RDVKDKWNWKD522J2XF4F6 \
  | 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: bc874dc47550d566d943eeb49d5cbc2fad1cdb5f241ac723691de23b3d004bda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4eff0b3a91cc391729f45195834d6aec6f3d609304b01fc857d9ab0e2a86c93",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-24T02:30:32Z",
    "title_canon_sha256": "b975cd248faea58d7d73a975acb6ad882d9011dd32b4eb1fe073ed7f4de73886"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09035",
    "kind": "arxiv",
    "version": 1
  }
}