pith. sign in
Pith Number

pith:BHJHZAJE

pith:2006:BHJHZAJE265ATUXULSFK2QQ36R
not attested not anchored not stored refs pending

Group delay in Bragg grating with linear chirp

D. A. Shapiro, E.V. Podivilov, O.V. Belai

arxiv:physics/0604091 v1 · 2006-04-11 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BHJHZAJE265ATUXULSFK2QQ36R}

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 2026-05-18T00:46:21.527135Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

09d27c8124d7ba09d2f45c8aad421bf44572bd298d066b4108b62972e006f3dc

Aliases

arxiv: physics/0604091 · arxiv_version: physics/0604091v1 · doi: 10.48550/arxiv.physics/0604091 · pith_short_12: BHJHZAJE265A · pith_short_16: BHJHZAJE265ATUXU · pith_short_8: BHJHZAJE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BHJHZAJE265ATUXULSFK2QQ36R \
  | 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: 09d27c8124d7ba09d2f45c8aad421bf44572bd298d066b4108b62972e006f3dc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "361454b31f66d3341edf4780d1783bf05a535415d8a763b19a06094f1851d68c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2006-04-11T16:49:35Z",
    "title_canon_sha256": "7f8959f67ea174cdf9f89e0e7abb79fbc647df580fa9369cdc11b2726dbabf24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0604091",
    "kind": "arxiv",
    "version": 1
  }
}