Pith Number

pith:EC4VNWN2

pith:2015:EC4VNWN2MNQDNQMM6KSVK5VRE5

not attested not anchored not stored refs pending

Black hole accretion disc impacts

Pauli Pihajoki

arxiv:1510.07642 v2 · 2015-10-26 · 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{EC4VNWN2MNQDNQMM6KSVK5VRE5}

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	2026-05-18T01:20:33.555807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b956d9ba636036c18cf2a55576b127752b0b6f94bf335017f64671340d58fb

Aliases

arxiv: 1510.07642 · arxiv_version: 1510.07642v2 · doi: 10.48550/arxiv.1510.07642 · pith_short_12: EC4VNWN2MNQD · pith_short_16: EC4VNWN2MNQDNQMM · pith_short_8: EC4VNWN2

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/EC4VNWN2MNQDNQMM6KSVK5VRE5 \
  | 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: 20b956d9ba636036c18cf2a55576b127752b0b6f94bf335017f64671340d58fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cba6d1dde10a44c6984887185f9a022486bb044bc424b1a283688dbffc8ba55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-26T20:19:59Z",
    "title_canon_sha256": "7640a429668ec36d7ab5c1376de8d7dd6b2c381360a61a360388adc1c74a13c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07642",
    "kind": "arxiv",
    "version": 2
  }
}