Pith Number

pith:VM6FF3GH

pith:2012:VM6FF3GHGAEVRHFZCD3KK2RFRY

not attested not anchored not stored refs pending

Observable QPOs produced by steep pulse profiles in Magnetar Flares

Anna L. Watts, Caroline R. D'Angelo

arxiv:1204.3053 v2 · 2012-04-13 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VM6FF3GHGAEVRHFZCD3KK2RFRY}

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	2026-05-18T01:57:52.644476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab3c52ecc73009589cb910f6a56a258e3309db95ebe4a09281914b642e147a9e

Aliases

arxiv: 1204.3053 · arxiv_version: 1204.3053v2 · doi: 10.48550/arxiv.1204.3053 · pith_short_12: VM6FF3GHGAEV · pith_short_16: VM6FF3GHGAEVRHFZ · pith_short_8: VM6FF3GH

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/VM6FF3GHGAEVRHFZCD3KK2RFRY \
  | 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: ab3c52ecc73009589cb910f6a56a258e3309db95ebe4a09281914b642e147a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9beacc18bf00a889c4ec1bffe176373cc1d0e8a861c316d50a06f4501fc82a02",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-13T17:17:41Z",
    "title_canon_sha256": "08b20784af645d9734b63e6d4091fb29e76d83045895a32a2af0fda7424bbf21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3053",
    "kind": "arxiv",
    "version": 2
  }
}