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Pith Number

pith:RGVDFFWF

pith:2015:RGVDFFWFZVSKV4KAYQ2ONKA4EV
not attested not anchored not stored refs pending

On the Hurewicz homomorphism on the extensions of ideals in $\pi_*^s$ and spherical classes in $H_*Q_0S^0$

Hadi Zare

arxiv:1504.06752 v2 · 2015-04-25 · 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{RGVDFFWFZVSKV4KAYQ2ONKA4EV}

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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 2026-05-18T01:51:49.181534Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

89aa3296c5cd64aaf140c434e6a81c257c7c8147dc79b038ca0e625686c5d6f4

Aliases

arxiv: 1504.06752 · arxiv_version: 1504.06752v2 · doi: 10.48550/arxiv.1504.06752 · pith_short_12: RGVDFFWFZVSK · pith_short_16: RGVDFFWFZVSKV4KA · pith_short_8: RGVDFFWF
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/RGVDFFWFZVSKV4KAYQ2ONKA4EV \
  | 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: 89aa3296c5cd64aaf140c434e6a81c257c7c8147dc79b038ca0e625686c5d6f4
Canonical record JSON 
{
  "metadata": {
    "abstract_canon_sha256": "02ec9d18ddc0b994e040555ff42e35ff024d2b6510f6e630e5d7878ffbb92127",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-04-25T19:04:14Z",
    "title_canon_sha256": "db7b4618840d16a8d49457379fb482f48dbe6a279d2a22e89cb743251038ce43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06752",
    "kind": "arxiv",
    "version": 2
  }
}