Pith Number

pith:AKEOJCIM

pith:2018:AKEOJCIMWB6FA4TH5Z36673IP5

not attested not anchored not stored refs pending

Stephen Hawking: To Understand the Universe

James B. Hartle (UCSB, SFI)

arxiv:1803.09197 v2 · 2018-03-25 · physics.hist-ph · 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{AKEOJCIMWB6FA4TH5Z36673IP5}

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	2026-05-18T00:15:46.442630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0288e4890cb07c507267ee77ef7f687f759f6a42d5f93be5f20efe2d1d8afb7a

Aliases

arxiv: 1803.09197 · arxiv_version: 1803.09197v2 · doi: 10.48550/arxiv.1803.09197 · pith_short_12: AKEOJCIMWB6F · pith_short_16: AKEOJCIMWB6FA4TH · pith_short_8: AKEOJCIM

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/AKEOJCIMWB6FA4TH5Z36673IP5 \
  | 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: 0288e4890cb07c507267ee77ef7f687f759f6a42d5f93be5f20efe2d1d8afb7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a19229dd9b7f09ae4b61d9ef23ba5ca7048400ade819fe5915773e4e038fc0f5",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-03-25T03:16:00Z",
    "title_canon_sha256": "ca8938c9c70b29a8117cf36aa7920319727b68480d00d9e24a358e056039bc15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09197",
    "kind": "arxiv",
    "version": 2
  }
}