Pith Number

pith:U6GXQRGF

pith:2015:U6GXQRGFSGCTIZOBSU5TH7VKFM

not attested not anchored not stored refs pending

Coherent states, quantum gravity and the Born-Oppenheimer approximation, I: General considerations

Alexander Stottmeister, Thomas Thiemann

arxiv:1504.02169 v1 · 2015-04-09 · math-ph · gr-qc · hep-th · 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{U6GXQRGFSGCTIZOBSU5TH7VKFM}

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	2026-05-18T01:10:33.450506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78d7844c591853465c1953b33feaa2b0cbd11a0a42e630461b793a5d7c6f4f9

Aliases

arxiv: 1504.02169 · arxiv_version: 1504.02169v1 · doi: 10.48550/arxiv.1504.02169 · pith_short_12: U6GXQRGFSGCT · pith_short_16: U6GXQRGFSGCTIZOB · pith_short_8: U6GXQRGF

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/U6GXQRGFSGCTIZOBSU5TH7VKFM \
  | 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: a78d7844c591853465c1953b33feaa2b0cbd11a0a42e630461b793a5d7c6f4f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0cf3a1f1ad50e22dd28e1f1de74ac985ab95a35e44b743d12ddc5ebe2d5bf24",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-04-09T01:35:19Z",
    "title_canon_sha256": "8bc567ba0f454aed91612665e9cb7567b3c884f501bf86bcfa5d9c98cd62b720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02169",
    "kind": "arxiv",
    "version": 1
  }
}