Pith Number

pith:DKJ4QN63

pith:2017:DKJ4QN63OK3BTSAMBMWLUB5ISL

not attested not anchored not stored refs pending

IFOHAM-an iterative algorithm based on the first-order equation of HAM: exploratory preliminary results

Miguel Moreira

arxiv:1710.01831 v1 · 2017-10-05 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKJ4QN63OK3BTSAMBMWLUB5ISL}

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	2026-05-18T00:33:38.311976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a93c837db72b619c80c0b2cba07a892f25a90692ec98acfc1ef5548ef0d07a5

Aliases

arxiv: 1710.01831 · arxiv_version: 1710.01831v1 · doi: 10.48550/arxiv.1710.01831 · pith_short_12: DKJ4QN63OK3B · pith_short_16: DKJ4QN63OK3BTSAM · pith_short_8: DKJ4QN63

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/DKJ4QN63OK3BTSAMBMWLUB5ISL \
  | 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: 1a93c837db72b619c80c0b2cba07a892f25a90692ec98acfc1ef5548ef0d07a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb16c9e73f31291f0a87b7dd9167649038f7b8123ee6447a8272468485d48776",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-05T00:05:42Z",
    "title_canon_sha256": "da866c3341e1ceaae589f444677a9ae63324cca84a4a5a3e0b8953290ff8a263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01831",
    "kind": "arxiv",
    "version": 1
  }
}