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 BATAAN Award a ₱994.6K contract to R.Z. TIGAS CONSTRUCTION AND TRADINGProvinces
Transaction hash:
fda0e1b8d78f9a0b53aba06e4dd4c69b9dae4b5080f830bdb6f810e080895d92
Status:
Included and unchanged
Block:
#3,991 2,022 blocks after it
Position in block:
Transaction 159 of 161
Award day:
Jan 10, 2020 (6 yrs 10 mo ago)
From:
Value:
₱994,630.00
Project:
Concreting
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 #3,991 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 BATAAN awarded it to R.Z. TIGAS CONSTRUCTION AND TRADING on 2020-01-10.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)COA's CY2024 audit of Bataan 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 fda0e1b8d7…895d92now …
- 2. Block Merkle root changedstored 3d8218af76…21336bnow …
- 3. Block #3991 hash changedstored 932e438620…6b07fcnow …
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 160 records. Each step hashes the current value together with the sibling shown.
- leaf fda0e1b8d78f9a0b53aba06e4dd4c69b9dae4b5080f830bdb6f810e080895d92
- 01 L fd7d7748daa62f6250e44b6efb37af5854d614ceaa63987ad7367fb9a2f43354
- 02 L b0e108bf51aa4d01956175fd661767febed5de79e4e064b0ce763d4712564b6a
- 03 L 4b910c91fe1922c347a92178ccb214abb0e93f32aad99ce46ee44b507a45c4e8
- 04 L 7cb811932f4ee1917b229d661ffb41982514e10eead17d41687e87711e812a9b
- 05 L 76892b5ee3c7fef8179cde909c36118c7d251d0c1a26e2c9911201f5565e2612
- 06 R 8f4c77cf9e0f93a63d36635602cfb43238187b0dcdce973224eb6350952b402d
- 07 R 48d64d456c0f54eee7b09c25ce0858ec27352fc44e5d2e2e171ec3ddae1a6072
- 08 L bcac716e8915fc68b28867e63d5a2d00a125485fe2609e418ab82bc37b77db5d
- root 3d8218af76be4b651702139969bd822ac9e6b8c8c91925d08b3ae13f1f21336b