Pith Number

pith:FAFWBDLN

pith:2020:FAFWBDLNZWF7NK5ZAJUWGCGCGZ

not attested not anchored not stored refs pending

Pebbles in an Embedded Protostellar Disk: The Case of CB26

Chuan-Peng Zhang, John J. Tobin, Ralf Launhardt, Thomas Henning, Yao Liu

arxiv:2012.08127 v1 · 2020-12-15 · astro-ph.SR · 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{FAFWBDLNZWF7NK5ZAJUWGCGCGZ}

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	2026-07-05T02:12:26.456147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

280b608d6dcd8bf6abb902696308c2364ca120d4bce8440ed5260d1ebbe7b1dd

Aliases

arxiv: 2012.08127 · arxiv_version: 2012.08127v1 · doi: 10.48550/arxiv.2012.08127 · pith_short_12: FAFWBDLNZWF7 · pith_short_16: FAFWBDLNZWF7NK5Z · pith_short_8: FAFWBDLN

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/FAFWBDLNZWF7NK5ZAJUWGCGCGZ \
  | 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: 280b608d6dcd8bf6abb902696308c2364ca120d4bce8440ed5260d1ebbe7b1dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3a4d88dfe07f3ff839b832e3528dd27747cc01fbaa3e3270f7e29e2d08346b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-15T07:22:17Z",
    "title_canon_sha256": "6346102289bb09db5321c55adff6f38906a811a9c1a2eefc7156c2c0ba304c3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08127",
    "kind": "arxiv",
    "version": 1
  }
}