Pith Number

pith:2HMWYYGN

pith:2017:2HMWYYGNZWFLAW6VZF4ZEC7M6C

not attested not anchored not stored refs pending

The Boundary of the Future

Chris Akers, Grant N. Remmen, Illan F. Halpern, Raphael Bousso

arxiv:1711.06689 v2 · 2017-11-17 · hep-th · gr-qc · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HMWYYGNZWFLAW6VZF4ZEC7M6C}

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	2026-05-18T00:25:44.899906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d96c60cdcd8ab05bd5c979920becf09ca216eabb1c82b90a53bee704a1aa85

Aliases

arxiv: 1711.06689 · arxiv_version: 1711.06689v2 · doi: 10.48550/arxiv.1711.06689 · pith_short_12: 2HMWYYGNZWFL · pith_short_16: 2HMWYYGNZWFLAW6V · pith_short_8: 2HMWYYGN

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/2HMWYYGNZWFLAW6VZF4ZEC7M6C \
  | 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: d1d96c60cdcd8ab05bd5c979920becf09ca216eabb1c82b90a53bee704a1aa85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be51d01859092e7f8ee4c7deb67471d577d1a9bb912f76e1204817997a45a9e",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-11-17T19:00:05Z",
    "title_canon_sha256": "ffeddab6a0f60208a733a14915c8d6d16a7df8bc2806acd22649a612dc9ccd37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06689",
    "kind": "arxiv",
    "version": 2
  }
}