Pith Number

pith:GVNY5UJF

pith:2015:GVNY5UJFS2GM7QA572MLB7TIMD

not attested not anchored not stored refs pending

A quantum peek inside the black hole event horizon

Sumanta Chakraborty, Suprit Singh, T. Padmanabhan

arxiv:1503.01774 v3 · 2015-03-05 · 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{GVNY5UJFS2GM7QA572MLB7TIMD}

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	2026-05-18T01:37:19.015902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

355b8ed125968ccfc01dfe98b0fe6860c5e25bdb4e49e7322dd42e3fc72bfa10

Aliases

arxiv: 1503.01774 · arxiv_version: 1503.01774v3 · doi: 10.48550/arxiv.1503.01774 · pith_short_12: GVNY5UJFS2GM · pith_short_16: GVNY5UJFS2GM7QA5 · pith_short_8: GVNY5UJF

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/GVNY5UJFS2GM7QA572MLB7TIMD \
  | 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: 355b8ed125968ccfc01dfe98b0fe6860c5e25bdb4e49e7322dd42e3fc72bfa10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d0dd08e55a58ae3ff4fafc21d8321ce9f2ecfc14f74583c91a91e36f7ebc5b",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-05T21:00:14Z",
    "title_canon_sha256": "4c36609c09408edc6a4da0a5db268b15a864748c9503a884a3c385884250b203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01774",
    "kind": "arxiv",
    "version": 3
  }
}