Pith Number

pith:3ZOUIYOT

pith:2021:3ZOUIYOT2D5KKILLTK3NLLOFXF

not attested not anchored not stored refs pending

Size limit of superparamagnetic inclusions in dust grains and difficulty of magnetic grain alignment in protoplanetary disks

Haifeng Yang

arxiv:2103.10243 v1 · 2021-03-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZOUIYOT2D5KKILLTK3NLLOFXF}

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	2026-07-05T02:37:38.954227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de5d4461d3d0faa5216b9ab6d5adc5b94650f1d817eaf76a898ee8679daf012b

Aliases

arxiv: 2103.10243 · arxiv_version: 2103.10243v1 · doi: 10.48550/arxiv.2103.10243 · pith_short_12: 3ZOUIYOT2D5K · pith_short_16: 3ZOUIYOT2D5KKILL · pith_short_8: 3ZOUIYOT

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/3ZOUIYOT2D5KKILLTK3NLLOFXF \
  | 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: de5d4461d3d0faa5216b9ab6d5adc5b94650f1d817eaf76a898ee8679daf012b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6aa09d200f6e8ed67aaddf432d5d226719bac850358425121bd85506c9af01",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-18T13:30:08Z",
    "title_canon_sha256": "cc66605b76aafd5fc3a17c994d62d958e5dd6df09207bd11b7edd55b2a57eb84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10243",
    "kind": "arxiv",
    "version": 1
  }
}