Pith Number

pith:IN4HMZLT

pith:2000:IN4HMZLT3Y6QG27IJ4FT4EOXNJ

not attested not anchored not stored refs pending

EVN Observations of GRS1915+105

A. Foley, A. Kus, C. Trigilio, D. Graham, E. Trussoni, G. Bodo, G. Giovannini, J. Conway, L. Feretti, M. Gliozzi, M. Tavani, M. Tordi, R. Spencer, S. Massaglia, T. Venturi

arxiv:astro-ph/0009348 v2 · 2000-09-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IN4HMZLT3Y6QG27IJ4FT4EOXNJ}

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	2026-07-04T14:10:44.270899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4378766573de3d036be84f0b3e11d76a4b44d2de9142b5b8b89a9d2c20e9d113

Aliases

arxiv: astro-ph/0009348 · arxiv_version: astro-ph/0009348v2 · doi: 10.48550/arxiv.astro-ph/0009348 · pith_short_12: IN4HMZLT3Y6Q · pith_short_16: IN4HMZLT3Y6QG27I · pith_short_8: IN4HMZLT

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/IN4HMZLT3Y6QG27IJ4FT4EOXNJ \
  | 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: 4378766573de3d036be84f0b3e11d76a4b44d2de9142b5b8b89a9d2c20e9d113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f5e9fb999eae4415af8f216ed04a505712628ded60343717fba0e202a2dc689",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-21T11:23:08Z",
    "title_canon_sha256": "7f5614de7dae6b418904c4c0c20921875a057ff360b3e9d7656aedd98cbcde0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009348",
    "kind": "arxiv",
    "version": 2
  }
}