Pith Number

pith:3PSFMKYQ

pith:2009:3PSFMKYQPWLEXIWMS2Y7TQLA73

not attested not anchored not stored refs pending

Measuring the Spin of GRS 1915+105 with Relativistic Disk Reflection

(2) University of Cambridge, (3) University of Maryland, (4) M.I.T., (5) University of Amsterdam), A. C. Fabian (2), E. M. Cackett (1), J. Homan (4), J. L. Blum (1), J. M. Miller (1), M. C. Miller (3), M. Van der Klis (5), R. C. Reis (2) ((1) University of Michigan

arxiv:0909.5383 v1 · 2009-09-29 · 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{3PSFMKYQPWLEXIWMS2Y7TQLA73}

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	2026-05-18T02:34:20.809706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe4562b107d964ba2cc96b1f9c160fed9f576359f7c2b978e835f4eece269c7

Aliases

arxiv: 0909.5383 · arxiv_version: 0909.5383v1 · doi: 10.48550/arxiv.0909.5383 · pith_short_12: 3PSFMKYQPWLE · pith_short_16: 3PSFMKYQPWLEXIWM · pith_short_8: 3PSFMKYQ

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/3PSFMKYQPWLEXIWMS2Y7TQLA73 \
  | 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: dbe4562b107d964ba2cc96b1f9c160fed9f576359f7c2b978e835f4eece269c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c969291261d468543fc17eba88e3fb47f6de21b55b79c9b9d86831b0ae6da8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-29T16:47:48Z",
    "title_canon_sha256": "9abcdeda3efaac8723ad10970eda42cf6ef6694e620def61a3a9c27ebf68f1f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5383",
    "kind": "arxiv",
    "version": 1
  }
}