Pith Number

pith:ERYHASIW

pith:2012:ERYHASIWD2NYTRYVQCSDMTKB4C

not attested not anchored not stored refs pending

Polarimetric Imaging of Large Cavity Structures in the Pre-transitional Protoplanetary Disk around PDS 70: Observations of the disk

Amaya Moro-Martin, Carol Anne Grady, Christian Thalmann, Daigo Tomono, Edwin L. Turner, Gillian Knapp, G. Serabyn, Hideki Takami, Hiroshi Suto, Hiroshi Terada, J. Carson, John Wisniewski, Jungmi Kwon, Jun Hashimoto, Jun-ichi Morino, Klaus Hodapp, Lyu Abe, Makoto Watanabe, Markus Feldt, Markus Janson, Masanori Iye, Masao Hayashi, Masayuki Kuzuhara, M. Honda, Michael McElwain, Michihiro Takami, Miki Ishii, Misato Fukagawa, Miwa Goto, M. McClure, Motohide Tamura, Naruhisa Takato, Nobuhiko Kusakabe, Olivier Guyon, Ruobing Dong, Ryo Kandori, Ryuji Suzuki, Saeko Hayashi, Satoshi Mayama, Sebastian Egner, Shoken Miyama, Tae-Soo Pyo, Takuya Suenaga, Taro Matsuo, Thomas Henning, Timothy Brandt, T. Muto, T. Nishimura, Tomonori Usuda, Tomoyuki Kudo, Toru Yamada, Wolfgang Brandner, Y. H. Takahashi, Yutaka Hayano, Z. Zhu

arxiv:1208.2075 v1 · 2012-08-10 · 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{ERYHASIWD2NYTRYVQCSDMTKB4C}

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	2026-05-18T01:55:16.988573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24707049161e9b89c71580a4364d41e0a5ed4309d38ed36eba738d32531b9705

Aliases

arxiv: 1208.2075 · arxiv_version: 1208.2075v1 · doi: 10.48550/arxiv.1208.2075 · pith_short_12: ERYHASIWD2NY · pith_short_16: ERYHASIWD2NYTRYV · pith_short_8: ERYHASIW

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/ERYHASIWD2NYTRYVQCSDMTKB4C \
  | 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: 24707049161e9b89c71580a4364d41e0a5ed4309d38ed36eba738d32531b9705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60dcf47409b2c5bd1ffbd8571ebe121aee2ff9447b72b12494028859c85085e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-10T01:48:55Z",
    "title_canon_sha256": "1b3ad518f289336db7e0df0ba1de2c65f2076b01157ddd9eef645140aefcea3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2075",
    "kind": "arxiv",
    "version": 1
  }
}