Pith Number

pith:QGHBEVQ3

pith:2020:QGHBEVQ37RFRJYPLKOCPCBPHLT

not attested not anchored not stored refs pending

On moving shadows and pressure bumps in HD 169142

Anna B. T. Penzlin, Gesa H.-M. Bertrang, Henning Avenhaus, Mario Flock, Matias Montesinos, Miriam Keppler, Thomas Henning, Trifon Trifonov

arxiv:2007.11565 v3 · 2020-07-22 · 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{QGHBEVQ37RFRJYPLKOCPCBPHLT}

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.

Cited by

1 paper in Pith

Two inner dust clumps in PDS 70. A third protoplanet traced by trojan material or a substructured inner disk?

Receipt and verification

First computed	2026-07-05T02:36:07.654873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818e12561bfc4b14e1eb5384f105e75cc1ec162e322d5a414d44fb9fc66bf280

Aliases

arxiv: 2007.11565 · arxiv_version: 2007.11565v3 · doi: 10.48550/arxiv.2007.11565 · pith_short_12: QGHBEVQ37RFR · pith_short_16: QGHBEVQ37RFRJYPL · pith_short_8: QGHBEVQ3

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/QGHBEVQ37RFRJYPLKOCPCBPHLT \
  | 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: 818e12561bfc4b14e1eb5384f105e75cc1ec162e322d5a414d44fb9fc66bf280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1fb2264ae3e39ba516201a6479069edac2de582e16cc1bd1e3cc35a028fb05",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-07-22T17:43:33Z",
    "title_canon_sha256": "c2db8a3dc8bb13d384f61be319461b622fd8bb134ad7e78b10613950812a174f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11565",
    "kind": "arxiv",
    "version": 3
  }
}