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
CITY OF TAYABAS, QUEZON Award a ₱211.3K contract to SKYSPY BUILDERSCities
Transaction hash:
8902ae4ace4790da41ccd39a5f8a72606832e8c14a0b0df72e7edb72002fd759
Status:
Included and unchanged
Block:
#4,911 1,102 blocks after it
Position in block:
Transaction 136 of 252
Award day:
Sep 7, 2022 (4 yrs 2 mo ago)
Value:
₱211,268.80
Project:
Construction Projects
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 #4,911 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)CITY OF TAYABAS, QUEZON awarded it to SKYSPY BUILDERS on 2022-09-07.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)COA's CY2024 audit of City of Tayabas 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 8902ae4ace…2fd759now …
- 2. Block Merkle root changedstored 3e840ef40a…9b34ednow …
- 3. Block #4911 hash changedstored 99144d363f…35c166now …
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 251 records. Each step hashes the current value together with the sibling shown.
- leaf 8902ae4ace4790da41ccd39a5f8a72606832e8c14a0b0df72e7edb72002fd759
- 01 R 8979923a74b71541748cae7d7be712fe6c529c6966088f63d4c634102e06d83f
- 02 R 66657ffb91aab505e4370d07935be100e7e3523d827be90b9239df5f9a376dc7
- 03 R 36df5e4bfa5ac5c275428f8090e0efc45ccd8ce7f1000b3060f0a715a870033b
- 04 L 48104b1fae6807733474b3ae2e93c99ffabdc1513591d1540b90ddf7339a272f
- 05 R ea07e470e551a880238f5353a493710a02a62aad4b5eabaddc0b47be14696ac3
- 06 R a852c2490db5bdc3f5a7cae519c6339d9a3b89d302147f5f4c0520e2f09bab48
- 07 R 46e1fa8a6984e1af0743525cf8d33a7506d7bf2164fb50c10cab0a232cb5f017
- 08 L a97f6c447376686499613aa25b4bc11615f73d8a69e4f49fdad7232e2e8d2416
- root 3e840ef40a2d1a2e3f2cbf4be1ab1e1181392f3a4835730120cc6e8a809b34ed