Pith Number

pith:IMVFKP5A

pith:1999:IMVFKP5AOYPYHKFEUI5ZJT2AV6

not attested not anchored not stored refs pending

Hard Burst Emission from the Soft Gamma Repeater SGR 1900+14

Christopher Thompson, Chryssa Kouveliotou, Ersin Gogus, Jan van Paradijs, Kevin Hurley, Michael S. Briggs, Peter M. Woods, Robert C. Duncan, Robert D. Preece, Timothy W. Giblin

arxiv:astro-ph/9909276 v3 · 1999-09-15 · 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{IMVFKP5AOYPYHKFEUI5ZJT2AV6}

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	2026-07-04T16:11:36.923046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432a553fa0761f83a8a4a23b94cf40af8a6d0598028cd97d09cd2f574c59437d

Aliases

arxiv: astro-ph/9909276 · arxiv_version: astro-ph/9909276v3 · doi: 10.48550/arxiv.astro-ph/9909276 · pith_short_12: IMVFKP5AOYPY · pith_short_16: IMVFKP5AOYPYHKFE · pith_short_8: IMVFKP5A

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/IMVFKP5AOYPYHKFEUI5ZJT2AV6 \
  | 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: 432a553fa0761f83a8a4a23b94cf40af8a6d0598028cd97d09cd2f574c59437d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6598402c1bc5ffe1b60143cad0a8aab74dc26bec9d94d20761e5fb4c941c60cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-15T20:49:57Z",
    "title_canon_sha256": "fd421d17d5620b2194f26ff58a881dcacc6b22b5658f0abaed045689e4de8834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909276",
    "kind": "arxiv",
    "version": 3
  }
}