Pith Number

pith:GQ7ITD7T

pith:2019:GQ7ITD7TM3QO35UM5BFTXOQCY3

not attested not anchored not stored refs pending

Estimating multi-class dynamic origin-destination demand through a forward-backward algorithm on computational graphs

Sean Qian, Wei Ma, Xidong Pi

arxiv:1903.04681 v1 · 2019-03-12 · cs.SY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQ7ITD7TM3QO35UM5BFTXOQCY3}

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	2026-05-17T23:51:28.973381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

343e898ff366e0edf68ce84b3bba02c6ebcfcbb068a808eae3e5adb5eeeb60d7

Aliases

arxiv: 1903.04681 · arxiv_version: 1903.04681v1 · doi: 10.48550/arxiv.1903.04681 · pith_short_12: GQ7ITD7TM3QO · pith_short_16: GQ7ITD7TM3QO35UM · pith_short_8: GQ7ITD7T

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/GQ7ITD7TM3QO35UM5BFTXOQCY3 \
  | 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: 343e898ff366e0edf68ce84b3bba02c6ebcfcbb068a808eae3e5adb5eeeb60d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db5214c559c310912744fa0e715a0b6e6a7d97c1c73eac77537dde80fe9309dd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-03-12T01:05:46Z",
    "title_canon_sha256": "745f73f0ac34b34631bae5e855629292d63037ef98b9eb0c73fb04eb53d348cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04681",
    "kind": "arxiv",
    "version": 1
  }
}