Pith Number

pith:KDG7HOAW

pith:2017:KDG7HOAWJMVAGO5TPDMBLNAETK

not attested not anchored not stored refs pending

On the Complexity of Instationary Gas Flows

Marc E. Pfetsch, Martin Gro{\ss}, Martin Skutella

arxiv:1708.08748 v1 · 2017-08-29 · math.OC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDG7HOAWJMVAGO5TPDMBLNAETK}

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	2026-05-18T00:36:25.800903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cdf3b8164b2a033bb378d815b4049a8ef0686997ae5f26bfea898e09bb8451

Aliases

arxiv: 1708.08748 · arxiv_version: 1708.08748v1 · doi: 10.48550/arxiv.1708.08748 · pith_short_12: KDG7HOAWJMVA · pith_short_16: KDG7HOAWJMVAGO5T · pith_short_8: KDG7HOAW

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/KDG7HOAWJMVAGO5TPDMBLNAETK \
  | 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: 50cdf3b8164b2a033bb378d815b4049a8ef0686997ae5f26bfea898e09bb8451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f7633d885a1ae2ae72eda7d105a9b393bfd734e9c514e3b1742f0df2d47d51",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-08-29T13:55:33Z",
    "title_canon_sha256": "5bae327e57977d137c8405f103f7502431530f70edbb3ac93c7ebaf4e6f2dc26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08748",
    "kind": "arxiv",
    "version": 1
  }
}