Pith Number

pith:VR54DFK2

pith:2017:VR54DFK2Y2V4PAJDO2WGILW5M6

not attested not anchored not stored refs pending

Penumbral thermal structure below the visible surface

A. Asensio Ramos, J.M. Borrero, M. Collados, M. Franz, R. Schlichenmaier

arxiv:1705.02832 v1 · 2017-05-08 · 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{VR54DFK2Y2V4PAJDO2WGILW5M6}

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	2026-05-18T00:43:49.943753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac7bc1955ac6abc7812376ac642edd67b5240ffbf78cdd6e8ee28022ef874b52

Aliases

arxiv: 1705.02832 · arxiv_version: 1705.02832v1 · doi: 10.48550/arxiv.1705.02832 · pith_short_12: VR54DFK2Y2V4 · pith_short_16: VR54DFK2Y2V4PAJD · pith_short_8: VR54DFK2

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/VR54DFK2Y2V4PAJDO2WGILW5M6 \
  | 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: ac7bc1955ac6abc7812376ac642edd67b5240ffbf78cdd6e8ee28022ef874b52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecfd188d9d53c588412c0df8e4d830314ece1477729f069d6a939977e42f759b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-08T11:32:11Z",
    "title_canon_sha256": "59d825433e36dd2057381efda5b79c9495a0d8fd0710492b046b90b0e6ebfa7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02832",
    "kind": "arxiv",
    "version": 1
  }
}