Pith Number

pith:F6OSAREX

pith:2016:F6OSAREXI2TMXDAUJBIBWV5RRK

not attested not anchored not stored refs pending

The algebraic Atiyah-Hirzebruch spectral sequence of real projective spectra

Guozhen Wang, Zhouli Xu

arxiv:1601.02185 v1 · 2016-01-10 · 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{F6OSAREXI2TMXDAUJBIBWV5RRK}

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	2026-05-18T01:23:07.077478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9d20449746a6cb8c1448501b57b18a9050037872571e6da44bd7f08a4bff3c

Aliases

arxiv: 1601.02185 · arxiv_version: 1601.02185v1 · doi: 10.48550/arxiv.1601.02185 · pith_short_12: F6OSAREXI2TM · pith_short_16: F6OSAREXI2TMXDAU · pith_short_8: F6OSAREX

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/F6OSAREXI2TMXDAUJBIBWV5RRK \
  | 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: 2f9d20449746a6cb8c1448501b57b18a9050037872571e6da44bd7f08a4bff3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea858b8fe52f2b38170609543111b6a3eae5c5a8c01af745a9a68cb5b8fd0deb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-01-10T07:44:49Z",
    "title_canon_sha256": "11c1ade854ea6be2900742d032bf8771d909b8fa93e072461e62ddbb899eafc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02185",
    "kind": "arxiv",
    "version": 1
  }
}