Pith Number

pith:ERQGMGG3

pith:2013:ERQGMGG3YSLDILNKIT4WYF5DYI

not attested not anchored not stored refs pending

Schr\"odinger Spacetimes with Screen and Reduced Entanglement

Harvendra Singh

arxiv:1309.7908 v2 · 2013-09-30 · 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{ERQGMGG3YSLDILNKIT4WYF5DYI}

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	2026-05-18T02:40:03.420655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f

Aliases

arxiv: 1309.7908 · arxiv_version: 1309.7908v2 · doi: 10.48550/arxiv.1309.7908 · pith_short_12: ERQGMGG3YSLD · pith_short_16: ERQGMGG3YSLDILNK · pith_short_8: ERQGMGG3

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/ERQGMGG3YSLDILNKIT4WYF5DYI \
  | 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: 24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520d188c7f834161626469d8b00e820f715ee6cd37b3923baabedacf54e13cd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-09-30T16:22:02Z",
    "title_canon_sha256": "193906359ea32566535108981ce0602647ba9f28e498c3177fde892fd0ac1b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7908",
    "kind": "arxiv",
    "version": 2
  }
}