Pith Number

pith:YO7PYXAB

pith:2011:YO7PYXABPW64N53KS66CRELBTS

not attested not anchored not stored refs pending

Pair Frames

Abolhassan Fereydooni, Ahmad Safapour

arxiv:1109.3766 v4 · 2011-09-17 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YO7PYXABPW64N53KS66CRELBTS}

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	2026-05-18T02:21:36.547490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3befc5c017dbdc6f76a97bc2891619ca9985e2a3d87f20753207a37e3e829a0

Aliases

arxiv: 1109.3766 · arxiv_version: 1109.3766v4 · doi: 10.48550/arxiv.1109.3766 · pith_short_12: YO7PYXABPW64 · pith_short_16: YO7PYXABPW64N53K · pith_short_8: YO7PYXAB

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/YO7PYXABPW64N53KS66CRELBTS \
  | 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: c3befc5c017dbdc6f76a97bc2891619ca9985e2a3d87f20753207a37e3e829a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0c5cd9a24d462045fc253e86c9fda0bdb9d1e6adf3c0abbad4990bb70377673",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-09-17T09:50:31Z",
    "title_canon_sha256": "f58d0416816cf078c5c35963a2365833beb43bdfe1a21d7c3f5e8161438a94c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3766",
    "kind": "arxiv",
    "version": 4
  }
}