Pith Number

pith:HNKJEVYE

pith:2009:HNKJEVYECKKNA5UYC5J2PJFORU

not attested not anchored not stored refs pending

A truncated accretion disk in the galactic black hole source H1743-322

A. R. Rao, K. Sriram, V. K. Agrawal

arxiv:0904.2661 v1 · 2009-04-17 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNKJEVYECKKNA5UYC5J2PJFORU}

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	2026-05-18T02:13:59.569648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b549257041294d076981753a7a4ae8d0f220e2fbcf41ccffbcc2c04919fafa4

Aliases

arxiv: 0904.2661 · arxiv_version: 0904.2661v1 · doi: 10.48550/arxiv.0904.2661 · pith_short_12: HNKJEVYECKKN · pith_short_16: HNKJEVYECKKNA5UY · pith_short_8: HNKJEVYE

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/HNKJEVYECKKNA5UYC5J2PJFORU \
  | 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: 3b549257041294d076981753a7a4ae8d0f220e2fbcf41ccffbcc2c04919fafa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "687c9f19219851de34d5f4d545c0ba41ff82ffc34ef0a8ffef24de723f290c62",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-17T09:45:44Z",
    "title_canon_sha256": "2d13c408c0ac1d624e581ccc5e2f08c0f6a6e6847889e2716818094a59182ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2661",
    "kind": "arxiv",
    "version": 1
  }
}