Pith Number

pith:CHSPGGHG

pith:2016:CHSPGGHGC2FJIPMKMQFH6PZZD5

not attested not anchored not stored refs pending

Polycyclic Aromatic Hydrocarbon in Protoplanetary Disks around Herbig Ae/Be and T Tauri Stars

Aigen Li, Ji Yeon Seok

arxiv:1612.09454 v1 · 2016-12-30 · 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{CHSPGGHGC2FJIPMKMQFH6PZZD5}

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	2026-05-18T00:51:12.217497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e4f318e6168a943d8a640a7f3f391f50c3e9620441fbfe309bc8d0364d333a

Aliases

arxiv: 1612.09454 · arxiv_version: 1612.09454v1 · doi: 10.48550/arxiv.1612.09454 · pith_short_12: CHSPGGHGC2FJ · pith_short_16: CHSPGGHGC2FJIPMK · pith_short_8: CHSPGGHG

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/CHSPGGHGC2FJIPMKMQFH6PZZD5 \
  | 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: 11e4f318e6168a943d8a640a7f3f391f50c3e9620441fbfe309bc8d0364d333a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08f2fb501da03e66c51a19f163f3c662b80dfb0c0401b5d6bf9182c7b11f3cd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-30T10:57:38Z",
    "title_canon_sha256": "89752be84d22494222eb75b8a8e30668f28c72247b8eb21aac7572374b15561b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09454",
    "kind": "arxiv",
    "version": 1
  }
}