Pith Number

pith:72NQ2F7M

pith:2016:72NQ2F7MR6QDRV2K4SQX6TRTQA

not attested not anchored not stored refs pending

Hawking-like radiation and the density matrix for an infalling observer during gravitational collapse

Anshul Saini, Dejan Stojkovic

arxiv:1609.06584 v1 · 2016-09-20 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72NQ2F7MR6QDRV2K4SQX6TRTQA}

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	2026-05-18T01:04:07.826089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9b0d17ec8fa038d74ae4a17f4e3380198692789845e094bc608a3ccbf8b6c4

Aliases

arxiv: 1609.06584 · arxiv_version: 1609.06584v1 · doi: 10.48550/arxiv.1609.06584 · pith_short_12: 72NQ2F7MR6QD · pith_short_16: 72NQ2F7MR6QDRV2K · pith_short_8: 72NQ2F7M

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/72NQ2F7MR6QDRV2K4SQX6TRTQA \
  | 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: fe9b0d17ec8fa038d74ae4a17f4e3380198692789845e094bc608a3ccbf8b6c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f84046b1db001aa232a686aab05a612d37d5eacc9bc187296c4c1db05d221d1f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-20T04:43:42Z",
    "title_canon_sha256": "67640df7df615693144d24836227db953ad4ce34b283f2e7d04f7240fc6a27d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06584",
    "kind": "arxiv",
    "version": 1
  }
}