Pith Number

pith:WY772XZT

pith:2022:WY772XZTGUFP4WR3URLWV5TDJQ

not attested not anchored not stored refs pending

Protostellar and Protoplanetary Disk Masses in the Serpens Region

Alexa R. Anderson, Charles J. Law, John J. Tobin, Jonathan P. Williams, Luca Ricci, Nienke van der Marel, Simin Tong

arxiv:2204.08731 v1 · 2022-04-19 · astro-ph.SR · 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{WY772XZTGUFP4WR3URLWV5TDJQ}

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	2026-07-05T05:09:57.366907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63ffd5f33350afe5a3ba4576af6634c063e48954e32d746095d9c133b0ee9df

Aliases

arxiv: 2204.08731 · arxiv_version: 2204.08731v1 · doi: 10.48550/arxiv.2204.08731 · pith_short_12: WY772XZTGUFP · pith_short_16: WY772XZTGUFP4WR3 · pith_short_8: WY772XZT

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/WY772XZTGUFP4WR3URLWV5TDJQ \
  | 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: b63ffd5f33350afe5a3ba4576af6634c063e48954e32d746095d9c133b0ee9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ac8b3f608df184bd8fd7f21b8198aaafe3ed9790565a6026943141e61db20b5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-19T08:18:39Z",
    "title_canon_sha256": "1329f0e75c581aa19898632095d5d166103942e94f58faa7b6750e14e029bae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.08731",
    "kind": "arxiv",
    "version": 1
  }
}