DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF DAVAO DEL NORTE Award a ₱2.9M contract to DAVAO SANTHONY BUILDERS CORPORATIONProvinces
Transaction hash:
e0fa4ec8dbb0d508b428c97acfda3a53813d0a14d738b7980c9bf4f3b9e526b7
Status:
Included and unchanged
Block:
#3,272 2,741 blocks after it
Position in block:
Transaction 468 of 529
Award day:
Dec 12, 2017 (8 yrs 11 mo ago)
Value:
₱2,913,872.98
Project:
B20170378
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,272 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF DAVAO DEL NORTE awarded it to DAVAO SANTHONY BUILDERS CORPORATION on 2017-12-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Davao del Norte gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored e0fa4ec8db…e526b7now …
- 2. Block Merkle root changedstored 61228beec1…183334now …
- 3. Block #3272 hash changedstored f8d367fe83…8d85f0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 528 records. Each step hashes the current value together with the sibling shown.
- leaf e0fa4ec8dbb0d508b428c97acfda3a53813d0a14d738b7980c9bf4f3b9e526b7
- 01 R e1254a49e4a55b4385a4ae23806f015c810fc76ed9294eb2c90ddeaf561caa8c
- 02 R b9ea20a65aaf1d28fdbfcf772aeffcb131b6054352b2125f3fde5a2444aa5c0d
- 03 L 243011e38b93e40d1ce76816673254278631eca11b2a78bf3b6883981077cfc8
- 04 R 6dbcfa3f24410c45f9e0545921f610c85ba8e8952dd1b7f8c5b8f22569d7eb6b
- 05 L e9a5948791c9697c9b4e3a22ce0d770c213c9fb1c8b4ce9819de44ce2ac71f23
- 06 R a0ed2b6d0c243a83e14882c01043c89c0c61ec7963ccbc9bfefa71fc4dcb4549
- 07 L 8544b4b4e3cf96afae4d7fdf5a74e6956286dc7b9c5062fd679d89a75bdbd1e8
- 08 L 078c6e222ea324ee1a294b60d9e1929c70aa8328984641dd0c31c33ea0477a5b
- 09 L 791d0a0924beb38646a001d196be7968ebfb5adad790cd7ff86f0257fa83cd96
- 10 R 457eb9e271f13aa2b68b7d263208efde0e88898de0c770c7520ba278387e82db
- root 61228beec18e1c03b0d79d6f763950f6cbd14297c61e8548f0d3c58b49183334