Pith Number

pith:RUTFNSMM

pith:2011:RUTFNSMMQ6WZ4UTXJ3EW4HK5S4

not attested not anchored not stored refs pending

Positive model structures for abstract symmetric spectra

Sergey Gorchinskiy, Vladimir Guletskii

arxiv:1108.3509 v3 · 2011-08-17 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUTFNSMMQ6WZ4UTXJ3EW4HK5S4}

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	2026-05-18T02:16:21.766956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d2656c98c87ad9e52774ec96e1d5d973a27d95b70a86861907113c7ac35f909

Aliases

arxiv: 1108.3509 · arxiv_version: 1108.3509v3 · doi: 10.48550/arxiv.1108.3509 · pith_short_12: RUTFNSMMQ6WZ · pith_short_16: RUTFNSMMQ6WZ4UTX · pith_short_8: RUTFNSMM

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/RUTFNSMMQ6WZ4UTXJ3EW4HK5S4 \
  | 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: 8d2656c98c87ad9e52774ec96e1d5d973a27d95b70a86861907113c7ac35f909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea703f660c84cf0c208be808beebf461211e59eec5b6215122327c109e40e36a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-08-17T15:41:34Z",
    "title_canon_sha256": "e1dc7394de82b649984e5d53c5702f16ca711081f4a09cadb17f9e090152fa74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3509",
    "kind": "arxiv",
    "version": 3
  }
}