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 - REGION II Award a ₱3.0M contract to R.D. MANDANAS CONSTRUCTIONNational agencies
Transaction hash:
19bd50a46e7d1ecdb153fa973ed65d8354eba54879d25c7983f7c927f148e541
Status:
Included and unchanged
Block:
#4,652 1,361 blocks after it
Position in block:
Transaction 24 of 218
Award day:
Dec 7, 2021 (4 yrs 11 mo ago)
Value:
₱2,989,716.78
Project:
21B00088
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 #4,652 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 - REGION II awarded it to R.D. MANDANAS CONSTRUCTION on 2021-12-07.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 19bd50a46e…48e541now …
- 2. Block Merkle root changedstored 1c1ea2fa0a…e6d259now …
- 3. Block #4652 hash changedstored a6725dd420…15570bnow …
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 217 records. Each step hashes the current value together with the sibling shown.
- leaf 19bd50a46e7d1ecdb153fa973ed65d8354eba54879d25c7983f7c927f148e541
- 01 R 1a8f2a036867b3c920423b254e804afa8c971e02bbbe07f404c691f7379bf6b0
- 02 R f2fab49c19ed0e12cd6b22bfa02c51e0609bbc10c013a3110c0db1f3fb0f9a07
- 03 R b3e2f2b72152a446ac0fc5217005ca3abba9b7710941f52bf321d4e4623ab364
- 04 L 9f7c14324b51159a073319aa5e11b431f30f84c5b68a41180b4e43e48a4ca5e7
- 05 L 9c7929c04d151281354498332930c2037f6537d75bcedced404cfbd625f386d2
- 06 R f470d779eac5c70f80b78ee2fe06080515e6babb6ffd4203193300133422443a
- 07 R a82b140021c678fa526bce941a64e9a2a1f5f5e91dda809c4b071505e51e4d7e
- 08 R 73dea384cd639fd2943e452841175889dc0c4fd8eda9f8c9dda2c49515d1bbc4
- root 1c1ea2fa0a2e34728feb35c838cddcb49322a5a1819a980113058377b5e6d259