Pith Number

pith:7MHLM5IU

pith:2017:7MHLM5IUUE4G6XFDT2NPVA3OMG

not attested not anchored not stored refs pending

On the volume simplicity constraint in the EPRL spin foam model

Benjamin Bahr, Vadim Belov

arxiv:1710.06195 v1 · 2017-10-17 · 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{7MHLM5IUUE4G6XFDT2NPVA3OMG}

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	2026-05-18T00:17:42.674803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0eb67514a1386f5ca39e9afa836e61b7e7735d89216b582911a246bf997629

Aliases

arxiv: 1710.06195 · arxiv_version: 1710.06195v1 · doi: 10.48550/arxiv.1710.06195 · pith_short_12: 7MHLM5IUUE4G · pith_short_16: 7MHLM5IUUE4G6XFD · pith_short_8: 7MHLM5IU

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/7MHLM5IUUE4G6XFDT2NPVA3OMG \
  | 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: fb0eb67514a1386f5ca39e9afa836e61b7e7735d89216b582911a246bf997629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4abf867410b523df0b27a63f7f79ab96086b3fc18be1f2b54e4d8b3b0155942d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-10-17T10:26:52Z",
    "title_canon_sha256": "6b3bdaf73cb92f3c86c06570c59f7d28d6d67da2a2a5f9a3dc287bccd6d37e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06195",
    "kind": "arxiv",
    "version": 1
  }
}