Pith Number

pith:KYYEZF6V

pith:2021:KYYEZF6VMRDUEMS7ECPLZNXJGC

not attested not anchored not stored refs pending

Discovery of 40.5 ks Hard X-ray Pulse-Phase Modulations from SGR 1900+14

H. Odaka, H. Suzuki, H. Yoneda, K. Makishima, T. Enoto, T. Tamba, Y. Aizawa

arxiv:2109.11150 v1 · 2021-09-23 · 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{KYYEZF6VMRDUEMS7ECPLZNXJGC}

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	2026-07-05T03:42:49.471604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56304c97d5644742325f209ebcb6e930959ea3d3794227726c23b542666a328d

Aliases

arxiv: 2109.11150 · arxiv_version: 2109.11150v1 · doi: 10.48550/arxiv.2109.11150 · pith_short_12: KYYEZF6VMRDU · pith_short_16: KYYEZF6VMRDUEMS7 · pith_short_8: KYYEZF6V

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/KYYEZF6VMRDUEMS7ECPLZNXJGC \
  | 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: 56304c97d5644742325f209ebcb6e930959ea3d3794227726c23b542666a328d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f16681c03bcf8de24f8551088c60e09568ad91f4d20a455ce2265587df3f9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-23T05:38:10Z",
    "title_canon_sha256": "5041013b938fb90f29a5d387c3f023b4a70c8ac4071742ea3713cc663baf0852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11150",
    "kind": "arxiv",
    "version": 1
  }
}