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 RIZAL Award a ₱1.2M contract to MEGASTRUCTURE BUILDER AND TRADING CORPORATIONProvinces
Transaction hash:
d1de0b84dfb2293f1e35d735e0143453fb275f9c9d689253e72e2b20754983c6
Status:
Included and unchanged
Block:
#2,371 3,642 blocks after it
Position in block:
Transaction 206 of 250
Award day:
Apr 6, 2015 (11 yrs 7 mo ago)
From:
Value:
₱1,190,974.07
Project:
Construction of Drainage System at Catleya I St.,
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 #2,371 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 RIZAL awarded it to MEGASTRUCTURE BUILDER AND TRADING CORPORATION on 2015-04-06.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 Rizal gave a "not stated" 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 d1de0b84df…4983c6now …
- 2. Block Merkle root changedstored 79e3b0b546…5d2941now …
- 3. Block #2371 hash changedstored 4ccf67b350…7a78f0now …
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 249 records. Each step hashes the current value together with the sibling shown.
- leaf d1de0b84dfb2293f1e35d735e0143453fb275f9c9d689253e72e2b20754983c6
- 01 R d280eb130fc548296a3a077a2e133dcaced7addbe28012ae6840bb17a06ef5eb
- 02 L 8338e3d0a30e82946d4424871121bf4dff2e703a754dda38b69b9650e3f8c8df
- 03 L 6a50153984b76ba6e5260a0b05ab26a4db645c7d42fe7ca9f4751161d72f93a9
- 04 L 69ad19e1f89bd49034f8bba043596c3b9855aec2c5f5b146e0102a2f62cfed8e
- 05 R 916ebdace05fd1a33974c8450ae339056d95bad5e43f9671cd54d8014610c8cf
- 06 R 34f1e11c2dbdb1e4607f5f188a116acfadab63838a2e465274ead738c91fc88c
- 07 L b159d8b0e4350f0c110637ffffb776eee26c89e9603fc74b229eb3f18a44d5c5
- 08 L 075666277dbbb95965583df12a82b9bfe933932a0817be33f954f9603b24fe8b
- root 79e3b0b546b3ba0b61ee59ea7039b76298a1da497be37f8de5f2a5938a5d2941