Pith Number

pith:JWTDLASK

pith:2015:JWTDLASKBA5O2523W77ZKLTWN5

not attested not anchored not stored refs pending

Variable Hard X-ray Emission from the Candidate Accreting Black Hole in Dwarf Galaxy Henize 2-10

Amy E. Reines, Andy D. Goulding, CfA), David M. Alexander, Gregory R. Sivakoff, Jenny E. Greene, Kelsey E. Johnson, Ryan C. Hickox, Thomas J. Whalen (Dartmouth

arxiv:1504.03331 v1 · 2015-04-13 · astro-ph.GA · astro-ph.HE

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

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	2026-05-18T01:55:32.114207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da635824a083aed775bb7ff952e766f5a9ef2a717f18604a6f8263cb293550f

Aliases

arxiv: 1504.03331 · arxiv_version: 1504.03331v1 · doi: 10.48550/arxiv.1504.03331 · pith_short_12: JWTDLASKBA5O · pith_short_16: JWTDLASKBA5O2523 · pith_short_8: JWTDLASK

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/JWTDLASKBA5O2523W77ZKLTWN5 \
  | 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: 4da635824a083aed775bb7ff952e766f5a9ef2a717f18604a6f8263cb293550f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6b74c6b8962bae504d979101f4993a5d553db4c95499e7b592686dbe3b3d6da",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-13T20:00:57Z",
    "title_canon_sha256": "e5d1db5544297390f1f7c40939691cf4cbfe8ab7d6fdfe7bf32793856f807216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03331",
    "kind": "arxiv",
    "version": 1
  }
}