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 DINAGAT ISLANDS Award a ₱2.0M contract to ALKE CONSTRUCTIONProvinces
Transaction hash:
132a480bb232c828e5b07cde3538c293de923c4a6d57bfd7aa5d0cb3293648c9
Status:
Included and unchanged
Block:
#5,755 258 blocks after it
Position in block:
Transaction 25 of 274
Award day:
Jan 28, 2025 (1 yr 9 mo ago)
Value:
₱1,995,656.90
Project:
INFRA 2025-07
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 #5,755 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 DINAGAT ISLANDS awarded it to ALKE CONSTRUCTION on 2025-01-28.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 Dinagat Islands gave a "qualified" 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 132a480bb2…3648c9now …
- 2. Block Merkle root changedstored 0264b7a788…6b9b5anow …
- 3. Block #5755 hash changedstored bf24106b93…f548a7now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 273 records. Each step hashes the current value together with the sibling shown.
- leaf 132a480bb232c828e5b07cde3538c293de923c4a6d57bfd7aa5d0cb3293648c9
- 01 L 12dbeeca1553b29fb6d44331094a975112b729a901f2274624df9e5c08d3f750
- 02 R d7fc2196a958922b286102ca1fbc8f3451a806b3662467f73e7c9584f883943f
- 03 R 71706133fc7d45d228c0302553e43f4d582fa06ba5d044dbe88d5c7c6d0936e2
- 04 L fb3aa017449b924784da3f7d5521e0b9d3d2821898ad2af62ee9be6d74d0333a
- 05 L 36140eefac0ffdf5c97f7d81568b070ae081be14e531108280a316c04b0dda64
- 06 R 19f01a1ee8ca2dc7a7ca1219e3377bdb3b34ce51b7ff66c3df19a1ba8c8f7d76
- 07 R d042e907d2408abf2567ecaf9cccfd4608de6fab415945354d99f2b8e4d0a769
- 08 R f8287e704c98001eaf7cafff4ebdf304fa0103d8b7bcd6b273e937f57d04ecb5
- 09 R b0710ba80c23b7a126fd230243fbb6d502de62d1558fdf512990ffdd31d548b4
- root 0264b7a7889956f35961bfe3376192303268f4e03cf511ef3062ac144c6b9b5a