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 EDUCATION - DIVISION OF SURIGAO DEL NORTE Award a ₱9.9M contract to AMALGO CONSTRUCTIONNational agencies
Transaction hash:
dc366cc169cb803116a83a3d2e6840a293cdf672506716485fd2a3aeac2f9397
Status:
Included and unchanged
Block:
#4,909 1,104 blocks after it
Position in block:
Transaction 272 of 336
Award day:
Sep 5, 2022 (4 yrs 2 mo ago)
Value:
₱9,879,769.75
Project:
Construction of Buildings
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 #4,909 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 EDUCATION - DIVISION OF SURIGAO DEL NORTE awarded it to AMALGO CONSTRUCTION on 2022-09-05.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 dc366cc169…2f9397now …
- 2. Block Merkle root changedstored 503904937d…5a0848now …
- 3. Block #4909 hash changedstored 21fa97049d…2f0309now …
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 335 records. Each step hashes the current value together with the sibling shown.
- leaf dc366cc169cb803116a83a3d2e6840a293cdf672506716485fd2a3aeac2f9397
- 01 R dc4a4ce84f9f4d05810816608443b67bce23779ab55acfe83180a6072bf819ab
- 02 R 65f511457bcdf461974cf6de932b637f22d1addc9b1cbb64a320ba0386f85e43
- 03 R bdf310ee9fba9bcfa44cecd05a1f12682a08d9e16367803d5160c53ef729b54c
- 04 R 8f75a1b78f6b1fe8509f90a13c42331c952806640ff9b029e62e21de179e7258
- 05 L 5dd776453bddd9898a4c3ce4d3ec13fb71ff94e5688303787497ff0f5d48ddea
- 06 R 08635febca775c055ee87235b02f563c2f0628be9ce39433ff05d840b64d963b
- 07 R 5334d95ba14b9986904ba0d8727adcba77ef7f54fd0e918049823116f4e0e8de
- 08 R 6107be9835d26f314eb15c4b7cd6cd0336e9e23e7c9ba5f128adeff94aa7bd37
- 09 L 267d223b6924a15a74499c50e2573cd9932d6e6d58c6078ea55fbd8c90ced535
- root 503904937de414bd844f44198a098079bdd2b9d64345372cca5b555a6d5a0848