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 TANGUB Award a ₱10.9M contract to LEXAND CONSTRUCTION & DEVELOPMENTCities
Transaction hash:
b26b3dcd55b3e61df748c9d68dc2ef10b8f85caf9f871b2e1c1e1792a3535689
Status:
Included and unchanged
Block:
#3,486 2,527 blocks after it
Position in block:
Transaction 167 of 230
Award day:
Jul 24, 2018 (8 yrs 3 mo ago)
From:
Value:
₱10,860,383.94
Project:
DRAINAGE CANAL AT THE SPORTS COMPLEX
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 #3,486 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 TANGUB awarded it to LEXAND CONSTRUCTION & DEVELOPMENT on 2018-07-24.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 Tangub 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 b26b3dcd55…535689now …
- 2. Block Merkle root changedstored b30ed96d07…693e90now …
- 3. Block #3486 hash changedstored c1eae98de1…adf36enow …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf b26b3dcd55b3e61df748c9d68dc2ef10b8f85caf9f871b2e1c1e1792a3535689
- 01 L b0373f72de30d8bcd35cd59c6a20df084e1b8351910272542ecb47976cb2145e
- 02 L a4a5c160e6132b111b63197240931a48db9e9ea75c37755362f869ea65f83f3f
- 03 L 551f8c456b123314f52762fe36082f32559e4f3421eaf2efad0275b973c56d8c
- 04 R 32a17527f28f704cbe5a646944a64ee0d0c5f318cd5fd6a2647885423896190d
- 05 R e8234994072775475c139e12793d42015519d0a1bb39ce066e479ab82869358b
- 06 L 98edab6b2fb789bf6405b836ebec8fb820b0903bbbc56485bcc58e680bbcce77
- 07 R e346dfadd3e321754062bc13520b3b4e131cf912d3e2f41b4ed41b91006f86af
- 08 L d5b83dd14219f7973eefb3075de2d83c482d9cb9708de5dff8e84a0ae4cbca32
- root b30ed96d0711ba4f7abfefcb34e3a1d64ff8143ef8f96082d76d182985693e90