Pith Number

pith:Z23JNFNH

pith:2021:Z23JNFNHJYQG4IZI7LPFO564VM

not attested not anchored not stored refs pending

ALMA Observations of the Asymmetric Dust Disk around DM Tau

Hauyu Baobab Liu, Jun Hashimoto, Logan Francis, Nienke van der Marel, Ruobing Dong, Takashi Tsukagoshi, Takayuki Muto, Yasuhiro Hasegawa

arxiv:2102.05905 v1 · 2021-02-11 · astro-ph.EP · 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{Z23JNFNHJYQG4IZI7LPFO564VM}

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	2026-07-05T02:31:52.246428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceb69695a74e206e2328fade5777dcab1e1ddbb4d6ec8e68d9c728e162d26abc

Aliases

arxiv: 2102.05905 · arxiv_version: 2102.05905v1 · doi: 10.48550/arxiv.2102.05905 · pith_short_12: Z23JNFNHJYQG · pith_short_16: Z23JNFNHJYQG4IZI · pith_short_8: Z23JNFNH

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/Z23JNFNHJYQG4IZI7LPFO564VM \
  | 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: ceb69695a74e206e2328fade5777dcab1e1ddbb4d6ec8e68d9c728e162d26abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd1262ba1f86f8b10e9548799c730071c7348876273be3d593897a4032571f5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-02-11T09:29:17Z",
    "title_canon_sha256": "7b32fd42691d1a9d45c5a31f95b5ee7099b29126d9e2d9bd6a0dd52f3840dfcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05905",
    "kind": "arxiv",
    "version": 1
  }
}