Pith Number

pith:QDXVC77L

pith:2021:QDXVC77LRLSH3BV5RSKXFYUYMI

not attested not anchored not stored refs pending

Mass determination of protoplanetary disks from dust evolution

Apostolos Zormpas, Dmitry Semenov, Paola Pinilla, Riccardo Franceschi, Thomas Henning, Tilman Birnstiel

arxiv:2110.09406 v1 · 2021-10-18 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDXVC77LRLSH3BV5RSKXFYUYMI}

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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.

Cited by

1 paper in Pith

Ionized gas emission in protoplanetary disks with the SKAO

Receipt and verification

First computed	2026-07-05T03:49:21.815786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ef517feb8ae47d86bd8c9572e29862192e05ce3c35924a19a04610341781a6

Aliases

arxiv: 2110.09406 · arxiv_version: 2110.09406v1 · doi: 10.48550/arxiv.2110.09406 · pith_short_12: QDXVC77LRLSH · pith_short_16: QDXVC77LRLSH3BV5 · pith_short_8: QDXVC77L

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/QDXVC77LRLSH3BV5RSKXFYUYMI \
  | 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: 80ef517feb8ae47d86bd8c9572e29862192e05ce3c35924a19a04610341781a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f14422cc102e136880bd569411782c782b546fd29f648d470030a25191b74ca4",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-10-18T15:34:36Z",
    "title_canon_sha256": "b8950bb6f23f26356fb02a4c2e006a733e3245882885dfccf7c504eee2c80214"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09406",
    "kind": "arxiv",
    "version": 1
  }
}