Pith Number

pith:FEIN2SDD

pith:2018:FEIN2SDDTQYKDRWQCZUISOTNKB

not attested not anchored not stored refs pending

Draining the Swampland

Ido Ben-Dayan

arxiv:1808.01615 v3 · 2018-08-05 · hep-th · astro-ph.CO · gr-qc · hep-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{FEIN2SDDTQYKDRWQCZUISOTNKB}

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	2026-05-17T23:41:01.190037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2910dd48639c30a1c6d01668893a6d504ed7e39d44fca81b3b606452b2032bb6

Aliases

arxiv: 1808.01615 · arxiv_version: 1808.01615v3 · doi: 10.48550/arxiv.1808.01615 · pith_short_12: FEIN2SDDTQYK · pith_short_16: FEIN2SDDTQYKDRWQ · pith_short_8: FEIN2SDD

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/FEIN2SDDTQYKDRWQCZUISOTNKB \
  | 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: 2910dd48639c30a1c6d01668893a6d504ed7e39d44fca81b3b606452b2032bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3545be1737b220a4e4fd10e97a2c2dc3714e304872947cd4eec54a24332c0168",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-08-05T14:02:54Z",
    "title_canon_sha256": "632bfd64c6a6ecd2bd35731693ee49f87ade105826ae8a7117335970c401722b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01615",
    "kind": "arxiv",
    "version": 3
  }
}