Pith Number

pith:XFMALNO4

pith:2019:XFMALNO44B43K4UEW6JXLGTZJW

not attested not anchored not stored refs pending

Characterization of Ring Substructures in the Protoplanetary Disk of HD 169142 from Multi-Wavelength ALMA Observations

Carlos Carrasco-Gonzalez, Catherine Espaillat, Enrique Macias, Gesa H. M. Bertrang, Guillem Anglada, Hendrik Linz, Jose F. Gomez, Jose M. Torrelles, Mario Flock, Mayra Osorio, Nuria Calvet, Thomas Henning, William R. F. Dent

arxiv:1907.07277 v1 · 2019-07-16 · 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{XFMALNO44B43K4UEW6JXLGTZJW}

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	2026-07-05T00:01:02.202218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b95805b5dce079b57284b793759a794daf6dc1c42bdab36ff98dc46c93c1c654

Aliases

arxiv: 1907.07277 · arxiv_version: 1907.07277v1 · doi: 10.48550/arxiv.1907.07277 · pith_short_12: XFMALNO44B43 · pith_short_16: XFMALNO44B43K4UE · pith_short_8: XFMALNO4

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/XFMALNO44B43K4UEW6JXLGTZJW \
  | 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: b95805b5dce079b57284b793759a794daf6dc1c42bdab36ff98dc46c93c1c654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adde55c4f294bd5aa1f43ac3c5c9cdc0003a5a4ff78ae5462f078d9c03f71c55",
    "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": "2019-07-16T22:18:57Z",
    "title_canon_sha256": "517cf72a2b896a06a9125907aba41959067ab303117e2cc80b2c48453e8dfeae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07277",
    "kind": "arxiv",
    "version": 1
  }
}