Pith Number

pith:DVDUXKSF

pith:2021:DVDUXKSFUZSIJ2OGRHW5RGGINR

not attested not anchored not stored refs pending

Hubble Space Telescope UV and H$\alpha$ Measurements of the Accretion Excess Emission from the Young Giant Planet PDS 70 b

Adam L. Kraus, Brendan P. Bowler, D\'aniel Apai, Glenn Schneider, Gregory J. Herczeg, Kevin R. Wagner, Laird M. Close, Min Fang, Yifan Zhou

arxiv:2104.13934 v1 · 2021-04-28 · 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{DVDUXKSFUZSIJ2OGRHW5RGGINR}

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	2026-07-05T02:36:11.392089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d474baa45a66484e9c689edd898c86c4f8bf01ad2cc52551935e3e9df01aefb

Aliases

arxiv: 2104.13934 · arxiv_version: 2104.13934v1 · doi: 10.48550/arxiv.2104.13934 · pith_short_12: DVDUXKSFUZSI · pith_short_16: DVDUXKSFUZSIJ2OG · pith_short_8: DVDUXKSF

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/DVDUXKSFUZSIJ2OGRHW5RGGINR \
  | 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: 1d474baa45a66484e9c689edd898c86c4f8bf01ad2cc52551935e3e9df01aefb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d474595a5dd7591a12395a4ea862ff2958577c8e2800ffb44a674a2b722165",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-04-28T18:00:03Z",
    "title_canon_sha256": "3c0851961f102161b3e510c1291d8ddea064377d96d07169fe75ff9582305a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13934",
    "kind": "arxiv",
    "version": 1
  }
}