Pith Number

pith:BMRKEVSZ

pith:2020:BMRKEVSZY2FLNT3HPRGTQG7EZH

not attested not anchored not stored refs pending

Method to compute the stress-energy tensor for a quantized scalar field when a black hole forms from the collapse of a null shell

Alessandro Fabbri, Paul R. Anderson, Raymond D. Clark, Shohreh Gholizadeh Siahmazgi

arxiv:2009.03453 v1 · 2020-09-07 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMRKEVSZY2FLNT3HPRGTQG7EZH}

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	2026-07-05T02:03:43.243273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b22a25659c68ab6cf677c4d381be4c9eee9e760c103457612d97bce20906eb9

Aliases

arxiv: 2009.03453 · arxiv_version: 2009.03453v1 · doi: 10.48550/arxiv.2009.03453 · pith_short_12: BMRKEVSZY2FL · pith_short_16: BMRKEVSZY2FLNT3H · pith_short_8: BMRKEVSZ

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/BMRKEVSZY2FLNT3HPRGTQG7EZH \
  | 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: 0b22a25659c68ab6cf677c4d381be4c9eee9e760c103457612d97bce20906eb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20c063bc66177bb03eee0bc3b8ed4be6dad62f1c1a8663b13cf7a6fb1ef624e2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-09-07T23:09:50Z",
    "title_canon_sha256": "3bcaa19987f974aad95a96efed801e569cfc8dccf79b816bb5f1e92429e75cde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03453",
    "kind": "arxiv",
    "version": 1
  }
}