Pith Number

pith:XMAD7D2H

pith:2021:XMAD7D2HCF3TM4CPKHOK6HSX2O

not attested not anchored not stored refs pending

A dusty filament and turbulent CO spirals in HD135344B-SAO206462

Andres Jordan, Barbara Ercolano, Carla Arce-Tord, Christian Flores, Christophe Pinte, Clement Baruteau, Daniel Price, Ewine van Dishoeck, Lucas Cieza, Maddalena Reggiani, Miguel Carcamo, Nienke van der Marel, Olivier Absil, Philipp Weber, Ruobing Dong, Sebastian Perez, Simon Casassus, Valentin Christiaens, Virginie Faramaz

arxiv:2104.08379 v3 · 2021-04-16 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XMAD7D2HCF3TM4CPKHOK6HSX2O}

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	2026-07-05T03:08:28.267295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb003f8f47117736704f51dcaf1e57d3946d5e978ecd9f3a7482a84c904ca242

Aliases

arxiv: 2104.08379 · arxiv_version: 2104.08379v3 · doi: 10.48550/arxiv.2104.08379 · pith_short_12: XMAD7D2HCF3T · pith_short_16: XMAD7D2HCF3TM4CP · pith_short_8: XMAD7D2H

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/XMAD7D2HCF3TM4CPKHOK6HSX2O \
  | 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: bb003f8f47117736704f51dcaf1e57d3946d5e978ecd9f3a7482a84c904ca242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c033757776f8d1868e91639be6142959daeca34e9d04ff805c5fcdee965e15f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-04-16T21:30:16Z",
    "title_canon_sha256": "ee07a69046c13fbf0d6ab86263028d0d31f670dc009a78e0784de0f8f58f8528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08379",
    "kind": "arxiv",
    "version": 3
  }
}