Pith Number

pith:TEKQBQXS

pith:2019:TEKQBQXS3JYAH7M4RFPJGEFOKX

not attested not anchored not stored refs pending

Deep Recurrent Architectures for Seismic Tomography

Amir Adler, Mauricio Araya-Polo, Tomaso Poggio

arxiv:1908.07824 v1 · 2019-08-12 · physics.geo-ph · eess.IV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEKQBQXS3JYAH7M4RFPJGEFOKX}

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	2026-07-04T23:59:01.441212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991500c2f2da7003fd9c895e9310ae55c04462885a08a725f932ca3cdda73e6a

Aliases

arxiv: 1908.07824 · arxiv_version: 1908.07824v1 · doi: 10.48550/arxiv.1908.07824 · pith_short_12: TEKQBQXS3JYA · pith_short_16: TEKQBQXS3JYAH7M4 · pith_short_8: TEKQBQXS

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/TEKQBQXS3JYAH7M4RFPJGEFOKX \
  | 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: 991500c2f2da7003fd9c895e9310ae55c04462885a08a725f932ca3cdda73e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1676690ffd48ff511e4a7f3cfca743d16d7beb0d0cfe3f3246dd7cdd0180e10f",
    "cross_cats_sorted": [
      "eess.IV",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-08-12T07:10:19Z",
    "title_canon_sha256": "71b14375f3fd7ba04bf3a971e16538da853abde3366c1897618df4d7e9554c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07824",
    "kind": "arxiv",
    "version": 1
  }
}