Pith Number

pith:SROB2WFD

pith:2019:SROB2WFD7SE6ULYGWPV2LITGHZ

not attested not anchored not stored refs pending

Inflying perspectives of reduced phase space

Cisco Gooding, William G. Unruh

arxiv:1902.04211 v2 · 2019-02-12 · gr-qc · quant-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{SROB2WFD7SE6ULYGWPV2LITGHZ}

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	2026-05-17T23:39:46.937847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945c1d58a3fc89ea2f06b3eba5a2663e4a6d035a6bb201c792f253c43dc1f221

Aliases

arxiv: 1902.04211 · arxiv_version: 1902.04211v2 · doi: 10.48550/arxiv.1902.04211 · pith_short_12: SROB2WFD7SE6 · pith_short_16: SROB2WFD7SE6ULYG · pith_short_8: SROB2WFD

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/SROB2WFD7SE6ULYGWPV2LITGHZ \
  | 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: 945c1d58a3fc89ea2f06b3eba5a2663e4a6d035a6bb201c792f253c43dc1f221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f369d4df1bfeacae7991a8f1553ad5701808e24e1787dcd6c68721f38460967b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-12T01:48:13Z",
    "title_canon_sha256": "9a699d80288e7015b6fac243607ebd4320e76d8c17e4cca5192a984a9dc63e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04211",
    "kind": "arxiv",
    "version": 2
  }
}