Pith Number

pith:WUET4GOA

pith:2015:WUET4GOAHWYZ4HMUJD3S4B2AVY

not attested not anchored not stored refs pending

The evolution of a jet ejection of the ultraluminous X-ray source Holmberg II X-1

D. Cseh, E. Koerding, F. Grise, H. Falcke, J. C. A. Miller-Jones, P. G. Jonker, P. Kaaret, S. Corbel, S. Frey, Z. Paragi

arxiv:1506.02988 v1 · 2015-06-09 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUET4GOAHWYZ4HMUJD3S4B2AVY}

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	2026-05-18T01:55:40.313008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5093e19c03db19e1d9448f72e0740ae26dc0f93a5994450f51fa3e59d4f3ecb

Aliases

arxiv: 1506.02988 · arxiv_version: 1506.02988v1 · doi: 10.48550/arxiv.1506.02988 · pith_short_12: WUET4GOAHWYZ · pith_short_16: WUET4GOAHWYZ4HMU · pith_short_8: WUET4GOA

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/WUET4GOAHWYZ4HMUJD3S4B2AVY \
  | 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: b5093e19c03db19e1d9448f72e0740ae26dc0f93a5994450f51fa3e59d4f3ecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56652b7f4bf8ff8cef8df5653b3cd05c8f4d95f503dbcb432037d80bf42a6e1e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-06-09T16:33:00Z",
    "title_canon_sha256": "a4967793a7c9f888d56d2600b0015067a11ff142ae5be9b73748154bf3492853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02988",
    "kind": "arxiv",
    "version": 1
  }
}