Pith Number

pith:MTAG2EYA

pith:2014:MTAG2EYAYXP4XEKMXQPSZTHVC5

not attested not anchored not stored refs pending

Shadows and cavities in protoplanetary disks: HD163296, HD141569A, and HD150193A in polarized light

Antonio Garufi, Esther Buenzli, Hans Martin Schmid, Henning Avenhaus, Sascha P. Quanz, Sebastian Wolf

arxiv:1406.7387 v2 · 2014-06-28 · 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{MTAG2EYAYXP4XEKMXQPSZTHVC5}

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	2026-05-18T02:43:34.658305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c06d1300c5dfcb914cbc1f2cccf5177cbe42ea11522c63b8aad4532f1fa058

Aliases

arxiv: 1406.7387 · arxiv_version: 1406.7387v2 · doi: 10.48550/arxiv.1406.7387 · pith_short_12: MTAG2EYAYXP4 · pith_short_16: MTAG2EYAYXP4XEKM · pith_short_8: MTAG2EYA

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/MTAG2EYAYXP4XEKMXQPSZTHVC5 \
  | 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: 64c06d1300c5dfcb914cbc1f2cccf5177cbe42ea11522c63b8aad4532f1fa058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519439cc34f8a171addc111d344ecef96a563c313262344bc995948f96edb8d0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-28T11:22:59Z",
    "title_canon_sha256": "77636c51a3e91f3d327a42c397b0e7e9b0ce70ae1b07ca8bd4e13a05ff025a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7387",
    "kind": "arxiv",
    "version": 2
  }
}