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 VIGAN, ILOCOS SUR Award a ₱199.5K contract to 739 BUILDERSCities
Transaction hash:
eb0139fba3d9830892cabcc0c0e1d9a4fce23417a61c4b051b9682e5caa4e07e
Status:
Included and unchanged
Block:
#2,581 3,432 blocks after it
Position in block:
Transaction 128 of 140
Award day:
Nov 18, 2015 (10 yrs 11 mo ago)
To:
Value:
₱199,533.60
Project:
Construction
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 #2,581 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 VIGAN, ILOCOS SUR awarded it to 739 BUILDERS on 2015-11-18.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 Vigan gave a "unmodified" 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 eb0139fba3…a4e07enow …
- 2. Block Merkle root changedstored 4c1a14c0bb…ecd2c1now …
- 3. Block #2581 hash changedstored bb16fb3af2…51730cnow …
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 139 records. Each step hashes the current value together with the sibling shown.
- leaf eb0139fba3d9830892cabcc0c0e1d9a4fce23417a61c4b051b9682e5caa4e07e
- 01 R ebfc697a84f898ff35d4250bdd8abb3a5012784e81b3ddafb68f8da83d784ae4
- 02 R 3c35f72203b47ed6f1bba25907620a4b9928ac237ede2265f0e2ee5e2f1477d7
- 03 R 909f8dd7275563788b80bff464cdcbbdf2cb3804f280f4ee5caac84f69c8bfb5
- 04 R 5edf2002b0f74c9fa977de264b21db2a81e81c1ed36c1d0fde7aba416646fa15
- 05 R bfe22f7d07984aad08d2208a4771c5676729885885f0dd6dd73b95c5cfdf56f1
- 06 R cf4b86784630bd1c86046d045be64cf2950a2395f995aae96ad433056d17db01
- 07 R d58db4b0c6bb387e5fc831748799773aa537d00a7e2c2bdaf6c12733646f6367
- 08 L 750cca9f3b96f213cfd3b410e0c0b3cd26a44ed01fa1e2d2b918290089d52cdd
- root 4c1a14c0bb06ecb7cbea46a3eb0640ace5348da0109549b0bf28e9ebd5ecd2c1