Pith Number

pith:U6YA2DCP

pith:2017:U6YA2DCPBEHSBNUQY4E5ENHILE

not attested not anchored not stored refs pending

Extracting Geometry from Quantum Spacetime: Obstacles down the road

Chryssomalis Chryssomalakos, Daniel Sudarsky, Yuri Bonder

arxiv:1706.08221 v1 · 2017-06-26 · gr-qc · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6YA2DCPBEHSBNUQY4E5ENHILE}

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	2026-05-18T00:11:58.180274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b00d0c4f090f20b690c709d234e85924412f682c6904fb6407701f6dc5adde

Aliases

arxiv: 1706.08221 · arxiv_version: 1706.08221v1 · doi: 10.48550/arxiv.1706.08221 · pith_short_12: U6YA2DCPBEHS · pith_short_16: U6YA2DCPBEHSBNUQ · pith_short_8: U6YA2DCP

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/U6YA2DCPBEHSBNUQY4E5ENHILE \
  | 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: a7b00d0c4f090f20b690c709d234e85924412f682c6904fb6407701f6dc5adde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22323b304c723796402aa124e7a4f204ebc37ba40d4f4a30965d35646ac6d7ad",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-26T04:05:56Z",
    "title_canon_sha256": "688cba5fe7f9be63042e441730f4f693271a5d2d4579252fb7c2593b182c9012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08221",
    "kind": "arxiv",
    "version": 1
  }
}