Pith Number

pith:IUDKVBVN

pith:2016:IUDKVBVNXSHQVRY6AOQU74NNCP

not attested not anchored not stored refs pending

Hawking versus Unruh effects, or the difficulty of slowly crossing a black hole horizon

Carlos Barcel\'o, Gil Jannes, Luis C. Barbado, Luis J. Garay

arxiv:1608.02532 v3 · 2016-08-08 · 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{IUDKVBVNXSHQVRY6AOQU74NNCP}

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	2026-05-18T00:56:30.730810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4506aa86adbc8f0ac71e03a14ff1ad13f2072847a2020e35eefde46368e85b89

Aliases

arxiv: 1608.02532 · arxiv_version: 1608.02532v3 · doi: 10.48550/arxiv.1608.02532 · pith_short_12: IUDKVBVNXSHQ · pith_short_16: IUDKVBVNXSHQVRY6 · pith_short_8: IUDKVBVN

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/IUDKVBVNXSHQVRY6AOQU74NNCP \
  | 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: 4506aa86adbc8f0ac71e03a14ff1ad13f2072847a2020e35eefde46368e85b89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b598f6a1d40008f00ce2d8bf64fb97ec4dc8e7d2dd417a4cf5f33fb059809abe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-08-08T17:53:42Z",
    "title_canon_sha256": "d7e4367c7fb891e319919b02ad3af37bbc25d2a1c7b6214e93ddca7440897857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02532",
    "kind": "arxiv",
    "version": 3
  }
}