Pith Number

pith:3BG5PJLU

pith:2018:3BG5PJLU7M76OTWVF7B3LNZQLP

not attested not anchored not stored refs pending

Probing midplane CO abundance and gas temperature with DCO$^+$ in the protoplanetary disk around HD 169142

A. Miotello, C. Favre, C. Walsh, D. Fedele, E.F. van Dishoeck, M.R. Hogerheijde, M.T. Carney, N.M. Murillo, P.D. Klaassen, S. Bruderer, Th. Henning

arxiv:1802.09280 v1 · 2018-02-26 · astro-ph.SR · astro-ph.EP · 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{3BG5PJLU7M76OTWVF7B3LNZQLP}

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	2026-05-18T00:12:18.163098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84dd7a574fb3fe74ed52fc3b5b7305bd1c3ba5f4d9ca4cec9cfbd85771d9dd3

Aliases

arxiv: 1802.09280 · arxiv_version: 1802.09280v1 · doi: 10.48550/arxiv.1802.09280 · pith_short_12: 3BG5PJLU7M76 · pith_short_16: 3BG5PJLU7M76OTWV · pith_short_8: 3BG5PJLU

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/3BG5PJLU7M76OTWVF7B3LNZQLP \
  | 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: d84dd7a574fb3fe74ed52fc3b5b7305bd1c3ba5f4d9ca4cec9cfbd85771d9dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ae8bd6464ecdd7f640687c178746fb8dd91c5dda6b88056df5c31243e90f58",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-26T13:05:57Z",
    "title_canon_sha256": "a7c875e6a642e75eae3f0f4e9555620297d91104fd294117b0b45887b04e5d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09280",
    "kind": "arxiv",
    "version": 1
  }
}