Pith Number

pith:DFFJTKQA

pith:2009:DFFJTKQARJXY5FXJ5ES7OVUO2T

not attested not anchored not stored refs pending

On the stability of steady general-relativistic accretion and analogue black holes

Patryk Mach

arxiv:0905.0346 v1 · 2009-05-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFFJTKQARJXY5FXJ5ES7OVUO2T}

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	2026-05-18T02:13:47.947210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194a99aa008a6f8e96e9e925f7568ed4f6c296e2f9ca5fe4a071ae81f9ec1ade

Aliases

arxiv: 0905.0346 · arxiv_version: 0905.0346v1 · doi: 10.48550/arxiv.0905.0346 · pith_short_12: DFFJTKQARJXY · pith_short_16: DFFJTKQARJXY5FXJ · pith_short_8: DFFJTKQA

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/DFFJTKQARJXY5FXJ5ES7OVUO2T \
  | 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: 194a99aa008a6f8e96e9e925f7568ed4f6c296e2f9ca5fe4a071ae81f9ec1ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6195ddb9b361db47f472caa97574cf232d8ce7faf316e05424d9a21cb994d4bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-04T10:29:21Z",
    "title_canon_sha256": "4e59d14c079c473b7d1f0e127e5b05c5ae56f2905737d9105b314863cc522bb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0346",
    "kind": "arxiv",
    "version": 1
  }
}