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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱1.4M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
cf1e588d3f5a4e0c48375cfb89c90646c3fd8d0028d768f5132b730f0fa832d2
Status:
Included and unchanged
Block:
#3,902 2,111 blocks after it
Position in block:
Transaction 160 of 211
Award day:
Oct 10, 2019 (7 yrs 1 mo ago)
Value:
₱1,374,300.00
Project:
Contract ID No. 019OB0170-Rehabilitation/Major Re
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 #3,902 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to ALPHATEC CHEMICAL CORP. on 2019-10-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 cf1e588d3f…a832d2now …
- 2. Block Merkle root changedstored 98faaf1eb6…734069now …
- 3. Block #3902 hash changedstored 85cb8ba3ce…c02249now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 210 records. Each step hashes the current value together with the sibling shown.
- leaf cf1e588d3f5a4e0c48375cfb89c90646c3fd8d0028d768f5132b730f0fa832d2
- 01 R cf25781ad98598434593f7aa257f629846f7e1929a44fd76aa48a3401ef747d0
- 02 R 9b524fc439c487fce22938f06874fcd3a5b81ed37254eb9ab7d139da0ce2f32f
- 03 R 5fca622559b1c4bd11a5374c510c4ad452ad3eefdd8168cdf7f0ad78bbcb931d
- 04 R 8da8a04423e89173e09ce286b817fe3938df8a065d713a087502c9efe73b3218
- 05 R 5ec5e52feda9f27feb33dfda50775c6ff9786f6d8e55a28ee8444f9ee41fb377
- 06 L cc6317a589279418517d80044d4a7a5947e7f2c7ecd13149b329742fd76fb799
- 07 R 46b5b28fae5547c9d3d57740c17fc9be83cb744ed2898625e3a5e6247a269ac7
- 08 L 917a8e2fd689ccc3d32919241eb1066ec75d053ec158870affa7d5731930d056
- root 98faaf1eb680faca58c5d881ccf18a289ba711e4fe64636814881f7400734069