Pith Number

pith:AA5TALGB

pith:2016:AA5TALGBRKCE46M7UAYPHWO5CN

not attested not anchored not stored refs pending

A spacetime DPG method for the Schrodinger equation

Jay Gopalakrishnan, Leszek Demkowicz, Paulina Sepulveda, Sriram Nagaraj

arxiv:1610.04678 v2 · 2016-10-15 · 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{AA5TALGBRKCE46M7UAYPHWO5CN}

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	2026-05-18T00:39:47.331736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

003b302cc18a844e799fa030f3d9dd1342ac02960395b378db0e706ee8a061b5

Aliases

arxiv: 1610.04678 · arxiv_version: 1610.04678v2 · doi: 10.48550/arxiv.1610.04678 · pith_short_12: AA5TALGBRKCE · pith_short_16: AA5TALGBRKCE46M7 · pith_short_8: AA5TALGB

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/AA5TALGBRKCE46M7UAYPHWO5CN \
  | 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: 003b302cc18a844e799fa030f3d9dd1342ac02960395b378db0e706ee8a061b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab12e12a5d860468bd42e8002b79bdd5a0028cab9d262ab48aa0292c44ad8b8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-15T01:47:21Z",
    "title_canon_sha256": "ef1f9d3105de90fc27140da7b3c16e1170c1d67d7fcc5b32fd0685de42ec451f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04678",
    "kind": "arxiv",
    "version": 2
  }
}