Pith Number

pith:HJZ5HAV2

pith:2011:HJZ5HAV2XSAHYO6QWHCJD46MBW

not attested not anchored not stored refs pending

On the nature of the "radio quiet" black hole binaries

Amsterdam), Paolo Soleri (Groningen, Rob Fender (Southampton)

arxiv:1101.1214 v1 · 2011-01-06 · 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{HJZ5HAV2XSAHYO6QWHCJD46MBW}

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	2026-05-18T02:04:12.312742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a73d382babc807c3bd0b1c491f3cc0db8d5e5446635e208363d74eb6eb176ec

Aliases

arxiv: 1101.1214 · arxiv_version: 1101.1214v1 · doi: 10.48550/arxiv.1101.1214 · pith_short_12: HJZ5HAV2XSAH · pith_short_16: HJZ5HAV2XSAHYO6Q · pith_short_8: HJZ5HAV2

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/HJZ5HAV2XSAHYO6QWHCJD46MBW \
  | 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: 3a73d382babc807c3bd0b1c491f3cc0db8d5e5446635e208363d74eb6eb176ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9b9fa94bfa77af3e25f377e36b295e6df1020b226ba6e9e4e95b2cfafa33332",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-06T14:05:02Z",
    "title_canon_sha256": "2245a927ba435315f5044aebbe2a622dbbe64a88cac2d6c0b9a6a47b65728859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1214",
    "kind": "arxiv",
    "version": 1
  }
}