Pith Number

pith:Y5OYN6JF

pith:2015:Y5OYN6JFBR3D5SY4BDJCFV7YZW

not attested not anchored not stored refs pending

Stress-energy tensor of a radiating sphere inclosing black hole

Maciek Wielgus, Marek A. Abramowicz

arxiv:1501.01540 v1 · 2015-01-07 · 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{Y5OYN6JFBR3D5SY4BDJCFV7YZW}

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	2026-05-18T01:41:47.756864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75d86f9250c763ecb1c08d222d7f8cd9e13f02b5017e34cb76bad8adb361e62

Aliases

arxiv: 1501.01540 · arxiv_version: 1501.01540v1 · doi: 10.48550/arxiv.1501.01540 · pith_short_12: Y5OYN6JFBR3D · pith_short_16: Y5OYN6JFBR3D5SY4 · pith_short_8: Y5OYN6JF

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/Y5OYN6JFBR3D5SY4BDJCFV7YZW \
  | 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: c75d86f9250c763ecb1c08d222d7f8cd9e13f02b5017e34cb76bad8adb361e62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b73041b92787435bf32b70868c80892dfb53f61df67e4bf71fddce75d03e9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-07T16:19:54Z",
    "title_canon_sha256": "43c0b19c44d6cba84e262da0c1d4373a5d91914cee60a9589ec848be5d34b476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01540",
    "kind": "arxiv",
    "version": 1
  }
}