Pith Number

pith:EC5PK4OX

pith:2011:EC5PK4OXR6DRRUWVNIFDT5T66E

not attested not anchored not stored refs pending

Spinning-up: the case of the symbiotic X-ray binary 3A 1954+319

D. M. Marcu, F. F\"urst, J. Wilms, K. Pottschmidt, M. Cadolle Bel, V. Grinberg

arxiv:1106.2708 v1 · 2011-06-14 · 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{EC5PK4OXR6DRRUWVNIFDT5T66E}

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	2026-05-18T04:20:04.264685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20baf571d78f8718d2d56a0a39f67ef135b2e0de14067e21ccfaaf0f38eb0c53

Aliases

arxiv: 1106.2708 · arxiv_version: 1106.2708v1 · doi: 10.48550/arxiv.1106.2708 · pith_short_12: EC5PK4OXR6DR · pith_short_16: EC5PK4OXR6DRRUWV · pith_short_8: EC5PK4OX

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/EC5PK4OXR6DRRUWVNIFDT5T66E \
  | 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: 20baf571d78f8718d2d56a0a39f67ef135b2e0de14067e21ccfaaf0f38eb0c53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3cc331e64abc1426dfcdf0fca5ace5b1abd31cfedd8023eccb6bba583a3f002",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-06-14T13:22:22Z",
    "title_canon_sha256": "6b01c05255fc13eb8afac8c76decba6bfba2658b30d6022e9c513e893a93685e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2708",
    "kind": "arxiv",
    "version": 1
  }
}