Pith Number

pith:GQBWWATD

pith:2010:GQBWWATD67BWVQD35NS3LFFNID

not attested not anchored not stored refs pending

Spectral Sequences in String Topology

Lennart Meier

arxiv:1001.4906 v3 · 2010-01-27 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQBWWATD67BWVQD35NS3LFFNID}

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	2026-05-18T01:22:29.402973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34036b0263f7c36ac07beb65b594ad40e386d23db2e06dd9f17333ddc928862e

Aliases

arxiv: 1001.4906 · arxiv_version: 1001.4906v3 · doi: 10.48550/arxiv.1001.4906 · pith_short_12: GQBWWATD67BW · pith_short_16: GQBWWATD67BWVQD3 · pith_short_8: GQBWWATD

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/GQBWWATD67BWVQD35NS3LFFNID \
  | 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: 34036b0263f7c36ac07beb65b594ad40e386d23db2e06dd9f17333ddc928862e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfa18fc9617cc0a29450600f8469158e868812e954976a280ed593d859326bf8",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-01-27T15:53:48Z",
    "title_canon_sha256": "223030d9fc6d20c5fb0f97ac7d70ad300514c0d488adb9d407c24fec9ca1f953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4906",
    "kind": "arxiv",
    "version": 3
  }
}