Pith Number

pith:SORVU2T2

pith:2015:SORVU2T2VRBD5S6BAF4SRMYHYH

not attested not anchored not stored refs pending

Detecting Abrupt Changes in the Spectra of High-Energy Astrophysical Sources

David A. van Dyk, Raymond K. W. Wong, Thomas C. M. Lee, Vinay L. Kashyap

arxiv:1508.07083 v2 · 2015-08-28 · stat.AP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SORVU2T2VRBD5S6BAF4SRMYHYH}

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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	2026-05-18T01:24:32.765202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a35a6a7aac423ecbc1017928b307c1c4fc8a7c69f6bffa671fcd9e9ba0cf69

Aliases

arxiv: 1508.07083 · arxiv_version: 1508.07083v2 · doi: 10.48550/arxiv.1508.07083 · pith_short_12: SORVU2T2VRBD · pith_short_16: SORVU2T2VRBD5S6B · pith_short_8: SORVU2T2

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/SORVU2T2VRBD5S6BAF4SRMYHYH \
  | 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: 93a35a6a7aac423ecbc1017928b307c1c4fc8a7c69f6bffa671fcd9e9ba0cf69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d018c3dd83d8f98c51e2c789f73f229925b2bacbc415c2bec84baa2b8d1715d6",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-08-28T03:24:36Z",
    "title_canon_sha256": "8067f0ad54afa15837b4c63eaf46d6707339319ddff47ab6661f4e17d35b0d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07083",
    "kind": "arxiv",
    "version": 2
  }
}