Pith Number

pith:4PIJW4RM

pith:2007:4PIJW4RMKD7MEKWJXCFYRVFUBK

not attested not anchored not stored refs pending

Spectroscopic study of pulsations in the atmosphere of roAp star 10 Aql

F. Leone, M. Sachkov, O. Kochukhov, S. Bagnulo, T. Ryabchikova, W.W. Weiss

arxiv:0712.1340 v1 · 2007-12-09 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PIJW4RMKD7MEKWJXCFYRVFUBK}

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	2026-05-18T04:34:47.044833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d09b722c50fec22ac9b88b88d4b40a850829cd01b0f18612a49dbb626302c7

Aliases

arxiv: 0712.1340 · arxiv_version: 0712.1340v1 · doi: 10.48550/arxiv.0712.1340 · pith_short_12: 4PIJW4RMKD7M · pith_short_16: 4PIJW4RMKD7MEKWJ · pith_short_8: 4PIJW4RM

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/4PIJW4RMKD7MEKWJXCFYRVFUBK \
  | 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: e3d09b722c50fec22ac9b88b88d4b40a850829cd01b0f18612a49dbb626302c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cad4919fe5bfe1a84feb1e62c72e5aee3dc6bff599757aa928f8e1ef98f51fb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-09T14:38:16Z",
    "title_canon_sha256": "e3e9f7a59ad07f777f2afc2cbb8b602d86a0da647b7f93ab64c6970a1f77bf1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1340",
    "kind": "arxiv",
    "version": 1
  }
}