Pith Number

pith:NM2QDXW3

pith:2022:NM2QDXW3S233JJ7RWGPAHAWDIR

not attested not anchored not stored refs pending

Supersonic Combustion Diagnostics with Dual Comb Spectroscopy

David Yun, Gregory B. Rieker, Jacob J. France, Jeffrey M. Donbar, Jiwen Liu, Kristin M. Rice, Mark A. Hagenmaier, Nathan A. Malarich, Nazanin Hoghooghi, Ryan K. Cole, Scott C. Egbert, Sean C. Coburn

arxiv:2205.04891 v2 · 2022-05-05 · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NM2QDXW3S233JJ7RWGPAHAWDIR}

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	2026-07-05T05:26:05.576366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b3501dedb96b7b4a7f1b19e0382c3444b25861c8164d593fe7cb28ab166981f

Aliases

arxiv: 2205.04891 · arxiv_version: 2205.04891v2 · doi: 10.48550/arxiv.2205.04891 · pith_short_12: NM2QDXW3S233 · pith_short_16: NM2QDXW3S233JJ7R · pith_short_8: NM2QDXW3

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/NM2QDXW3S233JJ7RWGPAHAWDIR \
  | 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: 6b3501dedb96b7b4a7f1b19e0382c3444b25861c8164d593fe7cb28ab166981f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0507bb4bd90e6ef7d72f399921f4674c91ec495e4e9771cfef5509996c05cc71",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-05-05T22:57:02Z",
    "title_canon_sha256": "db6c93303814044b15b70241f18485a5c4651f1ac62756646efad92cc2a51721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04891",
    "kind": "arxiv",
    "version": 2
  }
}