Pith Number

pith:5Q2J6R3U

pith:2025:5Q2J6R3UIQH2RTT5ORIQ5MVYW4

not attested not anchored not stored refs pending

A New Cloud of Strings

G. Alencar, R. N. Costa Filho, R. R. Landim

arxiv:2501.07609 v2 · 2025-01-11 · gr-qc · 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{5Q2J6R3UIQH2RTT5ORIQ5MVYW4}

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	2026-07-05T11:38:03.530973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec349f4774440fa8ce7d74510eb2b8b707a7df533e14b42aa17778feaadb180e

Aliases

arxiv: 2501.07609 · arxiv_version: 2501.07609v2 · doi: 10.48550/arxiv.2501.07609 · pith_short_12: 5Q2J6R3UIQH2 · pith_short_16: 5Q2J6R3UIQH2RTT5 · pith_short_8: 5Q2J6R3U

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/5Q2J6R3UIQH2RTT5ORIQ5MVYW4 \
  | 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: ec349f4774440fa8ce7d74510eb2b8b707a7df533e14b42aa17778feaadb180e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e957a0b362fce771a45e4d510388d72a43175f357f1c828fa7b07bd61d601ef9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-11T21:16:50Z",
    "title_canon_sha256": "a4daded5243fe36927845bfce73311d5b0c1e1147d0253e00d08a9ffa330256f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07609",
    "kind": "arxiv",
    "version": 2
  }
}