Pith Number

pith:36XYZZD2

pith:2020:36XYZZD2H77MOLJ22NYCZ7X54B

not attested not anchored not stored refs pending

Daugavet- and delta-points in Banach spaces with unconditional bases

Andr\'e Martiny, Stanimir Troyanski, Trond A. Abrahamsen, Vegard Lima

arxiv:2007.04946 v1 · 2020-07-09 · 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{36XYZZD2H77MOLJ22NYCZ7X54B}

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	2026-07-05T01:17:35.988059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfaf8ce47a3ffec72d3ad3702cfefde04b2120dcc5b1d69c8c227f3a17b2f383

Aliases

arxiv: 2007.04946 · arxiv_version: 2007.04946v1 · doi: 10.48550/arxiv.2007.04946 · pith_short_12: 36XYZZD2H77M · pith_short_16: 36XYZZD2H77MOLJ2 · pith_short_8: 36XYZZD2

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/36XYZZD2H77MOLJ22NYCZ7X54B \
  | 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: dfaf8ce47a3ffec72d3ad3702cfefde04b2120dcc5b1d69c8c227f3a17b2f383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c67e78233a30172ed0c61b8caba5f2c0580a870c24b11acb55870e76a71664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2020-07-09T17:18:47Z",
    "title_canon_sha256": "bcd65f4f699d54d4595728e860007abf165c9a8bbcd7a1e8280e92b9cb982710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04946",
    "kind": "arxiv",
    "version": 1
  }
}