Pith Number

pith:2HTFQGCL

pith:2009:2HTFQGCL64MK4S3L2SABBFHJNK

not attested not anchored not stored refs pending

A bound on Planck-scale modifications of the energy-momentum composition rule from atomic interferometry

A. Walkus, J. Kowalski-Glikman, M. Arzano

arxiv:0912.2712 v2 · 2009-12-14 · 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{2HTFQGCL64MK4S3L2SABBFHJNK}

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	2026-05-18T02:33:56.573566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e658184bf718ae4b6bd4801094e96aaf4233c09d4c699f8bdd1c6ae2ba9b8d

Aliases

arxiv: 0912.2712 · arxiv_version: 0912.2712v2 · doi: 10.48550/arxiv.0912.2712 · pith_short_12: 2HTFQGCL64MK · pith_short_16: 2HTFQGCL64MK4S3L · pith_short_8: 2HTFQGCL

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/2HTFQGCL64MK4S3L2SABBFHJNK \
  | 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: d1e658184bf718ae4b6bd4801094e96aaf4233c09d4c699f8bdd1c6ae2ba9b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b71e8481181e135810836f6479f02af73a17fd0a938de7e78b9ed07ee013f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-12-14T19:22:51Z",
    "title_canon_sha256": "531f2c75357a531672f6f92aa9abf01c7fc73f528fa3e29ffae687e9d7699f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2712",
    "kind": "arxiv",
    "version": 2
  }
}